Q: What is the sum of all factors of the number 28,680 excluding 28,680?

 A: 57,720

Why is 57,720 the sum of all factors of 28,680, excluding 28,680?

The factors of the number 28,680 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 4780, 5736, 7170, 9560, 14340, 28680.

If you add them up, you will get the total of 28,737. Now subtract 28,680 to get 57,720


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