Q: What is the sum of all factors of the number 261,180,560 excluding 261,180,560?

A: 348,530,416

Why is 348,530,416 the sum of all factors of 261,180,560, excluding 261,180,560?

The factors of the number 261,180,560 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 10040, 13007, 20080, 26014, 52028, 65035, 104056, 130070, 208112, 260140, 520280, 1040560, 3264757, 6529514, 13059028, 16323785, 26118056, 32647570, 52236112, 65295140, 130590280, 261180560.

If you add them up, you will get the total of 261,180,908. Now subtract 261,180,560 to get 348,530,416