Q: What is the sum of all factors of the number 56 excluding 56?

 A: 64

Why is 64 the sum of all factors of 56, excluding 56?

The factors of the number 56 are: 1, 2, 4, 7, 8, 14, 28, 56.

If you add them up, you will get the total of 120. Now subtract 56 to get 64


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