Q: What is the sum of all factors of the number 640,854 including 640,854?
A: 1,388,556
The factors of the number 640,854 are: 1, 2, 3, 6, 9, 18, 35603, 71206, 106809, 213618, 320427, 640854.
If you add them up, you will get the total of 1,388,556.