Q: What is the sum of all factors of the number 789,520 excluding 789,520?

A: 1,085,360

Why is 1,085,360 the sum of all factors of 789,520, excluding 789,520?

The factors of the number 789,520 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 139, 142, 278, 284, 355, 556, 568, 695, 710, 1112, 1136, 1390, 1420, 2224, 2780, 2840, 5560, 5680, 9869, 11120, 19738, 39476, 49345, 78952, 98690, 157904, 197380, 394760, 789520.

If you add them up, you will get the total of 789,521. Now subtract 789,520 to get 1,085,360