Q: What is the sum of all factors of the number 640,888 excluding 640,888?
A: 560,792
The factors of the number 640,888 are: 1, 2, 4, 8, 80111, 160222, 320444, 640888.
If you add them up, you will get the total of 641,448. Now subtract 640,888 to get 560,792