Q: What is the sum of all factors of the number 426,640 excluding 426,640?
A: 565,484
The factors of the number 426,640 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5333, 10666, 21332, 26665, 42664, 53330, 85328, 106660, 213320, 426640.
If you add them up, you will get the total of 427,205. Now subtract 426,640 to get 565,484