Q: What is the sum of all factors of the number 260,440 excluding 260,440?
A: 361,640
The factors of the number 260,440 are: 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 383, 680, 766, 1532, 1915, 3064, 3830, 6511, 7660, 13022, 15320, 26044, 32555, 52088, 65110, 130220, 260440.
If you add them up, you will get the total of 260,801. Now subtract 260,440 to get 361,640