6640031240

素因数分解:

$2^3\times 5^1\times {\mathrm{166000781}}^1$

素因数の和:166000792

約数の個数: 16

約数和(自身を含む): 14940070380

約数和(自身を除く): 8300039140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 166000781, 332001562, 664003124, 830003905, 1328006248, 1660007810, 3320015620, 6640031240]

約数ペア:

[(1, 6640031240), (2, 3320015620), (4, 1660007810), (5, 1328006248), (8, 830003905), (10, 664003124), (20, 332001562), (40, 166000781)]