Q: What is the sum of all factors of the number 18,520 excluding 18,520?

A: 23,240

Why is 23,240 the sum of all factors of 18,520, excluding 18,520?

The factors of the number 18,520 are: 1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 4630, 9260, 18520.

If you add them up, you will get the total of 18,543. Now subtract 18,520 to get 23,240

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