Q: What is the sum of all factors of the number 28 excluding 28?

 A: 28

Why is 28 the sum of all factors of 28, excluding 28?

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

If you add them up, you will get the total of 56. Now subtract 28 to get 28


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