Q: What is the sum of all factors of the number 640,580 excluding 640,580?
A: 704,680
The factors of the number 640,580 are: 1, 2, 4, 5, 10, 20, 32029, 64058, 128116, 160145, 320290, 640580.
If you add them up, you will get the total of 641,284. Now subtract 640,580 to get 704,680