Q: What is the sum of all factors of the number 64,685,480 excluding 64,685,480?

A: 80,856,940

Why is 80,856,940 the sum of all factors of 64,685,480, excluding 64,685,480?

The factors of the number 64,685,480 are: 1, 2, 4, 5, 8, 10, 20, 40, 1617137, 3234274, 6468548, 8085685, 12937096, 16171370, 32342740, 64685480.

If you add them up, you will get the total of 64,685,560. Now subtract 64,685,480 to get 80,856,940

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