68091640

素因数分解:

$2^3\times 5^1\times {\mathrm{1702291}}^1$

素因数の和:1702302

約数の個数: 16

約数和(自身を含む): 153206280

約数和(自身を除く): 85114640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1702291, 3404582, 6809164, 8511455, 13618328, 17022910, 34045820, 68091640]

約数ペア:

[(1, 68091640), (2, 34045820), (4, 17022910), (5, 13618328), (8, 8511455), (10, 6809164), (20, 3404582), (40, 1702291)]