Q: What is the sum of all factors of the number 87,807,772 excluding 87,807,772?

 A: 78,128,180

Why is 78,128,180 the sum of all factors of 87,807,772, excluding 87,807,772?

The factors of the number 87,807,772 are: 1, 2, 4, 13, 26, 52, 401, 802, 1604, 4211, 5213, 8422, 10426, 16844, 20852, 54743, 109486, 218972, 1688611, 3377222, 6754444, 21951943, 43903886, 87807772.

If you add them up, you will get the total of 87,807,850. Now subtract 87,807,772 to get 78,128,180


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