Q: What is the sum of all factors of the number 640,472 excluding 640,472?

 A: 732,088

Why is 732,088 the sum of all factors of 640,472, excluding 640,472?

The factors of the number 640,472 are: 1, 2, 4, 7, 8, 14, 28, 56, 11437, 22874, 45748, 80059, 91496, 160118, 320236, 640472.

If you add them up, you will get the total of 641,204. Now subtract 640,472 to get 732,088


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