Q: What is the sum of all factors of the number 640,005 excluding 640,005?
A: 384,027
The factors of the number 640,005 are: 1, 3, 5, 15, 42667, 128001, 213335, 640005.
If you add them up, you will get the total of 640,389. Now subtract 640,005 to get 384,027