Q: What is the sum of all factors of the number 85,205,740 excluding 85,205,740?

Why is 94,157,780 the sum of all factors of 85,205,740, excluding 85,205,740?

The factors of the number 85,205,740 are: 1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 4330, 8660, 9839, 19678, 39356, 49195, 98390, 196780, 4260287, 8520574, 17041148, 21301435, 42602870, 85205740.

If you add them up, you will get the total of 85,205,834. Now subtract 85,205,740 to get 94,157,780

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