Q: What is the sum of all factors of the number 642,728 excluding 642,728?

 A: 562,402

Why is 562,402 the sum of all factors of 642,728, excluding 642,728?

The factors of the number 642,728 are: 1, 2, 4, 8, 80341, 160682, 321364, 642728.

If you add them up, you will get the total of 643,290. Now subtract 642,728 to get 562,402


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