68841040

素因数分解:

$2^4\times 5^1\times {\mathrm{860513}}^1$

素因数の和:860526

約数の個数: 20

約数和(自身を含む): 160055604

約数和(自身を除く): 91214564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 860513, 1721026, 3442052, 4302565, 6884104, 8605130, 13768208, 17210260, 34420520, 68841040]

約数ペア:

[(1, 68841040), (2, 34420520), (4, 17210260), (5, 13768208), (8, 8605130), (10, 6884104), (16, 4302565), (20, 3442052), (40, 1721026), (80, 860513)]