Q: What is the sum of all factors of the number 1,659,640 excluding 1,659,640?
A: 2,074,640
The factors of the number 1,659,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 41491, 82982, 165964, 207455, 331928, 414910, 829820, 1659640.
If you add them up, you will get the total of 1,659,642. Now subtract 1,659,640 to get 2,074,640