Q: What is the sum of all factors of the number 177,135,160 excluding 177,135,160?

Why is 221,419,040 the sum of all factors of 177,135,160, excluding 177,135,160?

The factors of the number 177,135,160 are: 1, 2, 4, 5, 8, 10, 20, 40, 4428379, 8856758, 17713516, 22141895, 35427032, 44283790, 88567580, 177135160.

If you add them up, you will get the total of 177,135,381. Now subtract 177,135,160 to get 221,419,040

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