Q: What is the sum of all factors of the number 640,564 excluding 640,564?

 A: 480,430

Why is 480,430 the sum of all factors of 640,564, excluding 640,564?

The factors of the number 640,564 are: 1, 2, 4, 160141, 320282, 640564.

If you add them up, you will get the total of 641,044. Now subtract 640,564 to get 480,430


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