8412980

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1049}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 17728200

約数和(自身を除く): 9315220

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1049, 1604, 2005, 2098, 4010, 4196, 5245, 8020, 10490, 20980, 420649, 841298, 1682596, 2103245, 4206490, 8412980]

約数ペア:

[(1, 8412980), (2, 4206490), (4, 2103245), (5, 1682596), (10, 841298), (20, 420649), (401, 20980), (802, 10490), (1049, 8020), (1604, 5245), (2005, 4196), (2098, 4010)]