66205240

素因数分解:

$2^3\times 5^1\times {\mathrm{1655131}}^1$

素因数の和:1655142

約数の個数: 16

約数和(自身を含む): 148961880

約数和(自身を除く): 82756640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1655131, 3310262, 6620524, 8275655, 13241048, 16551310, 33102620, 66205240]

約数ペア:

[(1, 66205240), (2, 33102620), (4, 16551310), (5, 13241048), (8, 8275655), (10, 6620524), (20, 3310262), (40, 1655131)]