Q: What is the sum of all factors of the number 487,840 excluding 487,840?

 A: 665,060

Why is 665,060 the sum of all factors of 487,840, excluding 487,840?

The factors of the number 487,840 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 3049, 6098, 12196, 15245, 24392, 30490, 48784, 60980, 97568, 121960, 243920, 487840.

If you add them up, you will get the total of 488,505. Now subtract 487,840 to get 665,060


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