Q: What is the sum of all factors of the number 671,380 including 671,380?
A: 1,409,940
The factors of the number 671,380 are: 1, 2, 4, 5, 10, 20, 33569, 67138, 134276, 167845, 335690, 671380.
If you add them up, you will get the total of 1,409,940.