Q: What is the sum of all factors of the number 638,140 including 638,140?
A: 1,340,136
The factors of the number 638,140 are: 1, 2, 4, 5, 10, 20, 31907, 63814, 127628, 159535, 319070, 638140.
If you add them up, you will get the total of 1,340,136.