6540980

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{911}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 13789440

約数和(自身を除く): 7248460

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 911, 1436, 1795, 1822, 3590, 3644, 4555, 7180, 9110, 18220, 327049, 654098, 1308196, 1635245, 3270490, 6540980]

約数ペア:

[(1, 6540980), (2, 3270490), (4, 1635245), (5, 1308196), (10, 654098), (20, 327049), (359, 18220), (718, 9110), (911, 7180), (1436, 4555), (1795, 3644), (1822, 3590)]