Q: What is the sum of all factors of the number 28,520 including 28,520?

 A: 69,120

Why is 69,120 the sum of all factors of 28,520, including 28,520?

The factors of the number 28,520 are: 1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5704, 7130, 14260, 28520.

If you add them up, you will get the total of 69,120.


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