Q: What is the sum of all factors of the number 102,657,880 excluding 102,657,880?

A: 146,091,320

Why is 146,091,320 the sum of all factors of 102,657,880, excluding 102,657,880?

The factors of the number 102,657,880 are: 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 197419, 394838, 789676, 987095, 1579352, 1974190, 2566447, 3948380, 5132894, 7896760, 10265788, 12832235, 20531576, 25664470, 51328940, 102657880.

If you add them up, you will get the total of 102,658,026. Now subtract 102,657,880 to get 146,091,320