Q: What is the sum of all factors of the number 665,212,220 excluding 665,212,220?

 A: 731,733,484

Why is 731,733,484 the sum of all factors of 665,212,220, excluding 665,212,220?

The factors of the number 665,212,220 are: 1, 2, 4, 5, 10, 20, 33260611, 66521222, 133042444, 166303055, 332606110, 665212220.

If you add them up, you will get the total of 665,212,951. Now subtract 665,212,220 to get 731,733,484


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