68288980

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{9511}}^1$

素因数の和:9879

約数の個数: 24

約数和(自身を含む): 143821440

約数和(自身を除く): 75532460

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 9511, 19022, 38044, 47555, 95110, 190220, 3414449, 6828898, 13657796, 17072245, 34144490, 68288980]

約数ペア:

[(1, 68288980), (2, 34144490), (4, 17072245), (5, 13657796), (10, 6828898), (20, 3414449), (359, 190220), (718, 95110), (1436, 47555), (1795, 38044), (3590, 19022), (7180, 9511)]