Q: What is the sum of all factors of the number 640,448 excluding 640,448?
A: 630,568
The factors of the number 640,448 are: 1, 2, 4, 8, 16, 32, 64, 10007, 20014, 40028, 80056, 160112, 320224, 640448.
If you add them up, you will get the total of 641,078. Now subtract 640,448 to get 630,568