Q: What is the sum of all factors of the number 513,671,440 excluding 513,671,440?

 A: 680,614,844

Why is 680,614,844 the sum of all factors of 513,671,440, excluding 513,671,440?

The factors of the number 513,671,440 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6420893, 12841786, 25683572, 32104465, 51367144, 64208930, 102734288, 128417860, 256835720, 513671440.

If you add them up, you will get the total of 513,672,120. Now subtract 513,671,440 to get 680,614,844


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