Sum of Factors of a Number

Introduction :

A number that be multiply together to get another number is called as factors. The sum of factors of the number is nothing but the adding the factors of the number. First step for the sum of factors of the number is to be factor the number and then added the factors. In this article, we see about the sum of factors of a number.

Sum of Factors of a Number - Example Problems:

Example 1:

Find the sum of factors of the number 56.

Solution:

Step 1: The factors of the number 56 is divided by 1, 2, 4, 7, 8, 14, 28, and 56

Step 2: Sum of factoring a number 56.

1 + 2 + 4 + 7 + 8 + 14 + 28 + 56 = 120

Answer: 120

Example 2:

Find the sum of factors of the number 78

Solution:

Step 1: Factoring of the number 78 can be dividing by 1, 2, 3, 6, 13, 26, 39, and 78

Step 2:  Sum of factoring a number 78

1 + 2 +3 + 6 + 13 + 26 + 39 + 78 = 168

Answer: 168

Example 3:

Find the sum of factoring the number 12

Solution:

Step 1: factoring the number 12 is divided by the number 1, 2, 3, 4, 6, and 12.

Step 2:  Sum of factoring a number 12

1 + 2 + 3 + 4 + 6 + 12 = 28

Answer: 28

Example 4:

Find the sum of factors of the number 100

Solution:

Step 1: Factoring the number is 100 is divided by 1, 2, 4, 5, 10, 20, 25, 50, and 100.

Step 2: Add the factors of the number 100.

1 + 2 + 4 + 5 + 10 + 20 + 25 + 50 + 100 = 217

Answer: 217

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Practice Problem – Sum of Factors of the Number:

Problem 1:

Find the sum of factors of the number 8

Solution: 15

Problem 2:

Find the sum of factors of the number 15

Solution: 24