68842640

素因数分解:

$2^4\times 5^1\times {\mathrm{860533}}^1$

素因数の和:860546

約数の個数: 20

約数和(自身を含む): 160059324

約数和(自身を除く): 91216684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 860533, 1721066, 3442132, 4302665, 6884264, 8605330, 13768528, 17210660, 34421320, 68842640]

約数ペア:

[(1, 68842640), (2, 34421320), (4, 17210660), (5, 13768528), (8, 8605330), (10, 6884264), (16, 4302665), (20, 3442132), (40, 1721066), (80, 860533)]