Q: What is the sum of all factors of the number 1,620,125 excluding 1,620,125?
A: 559,507
The factors of the number 1,620,125 are: 1, 5, 13, 25, 65, 125, 325, 997, 1625, 4985, 12961, 24925, 64805, 124625, 324025, 1620125.
If you add them up, you will get the total of 1,620,684. Now subtract 1,620,125 to get 559,507