100384820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{161911}}^1$

素因数の和:161951

約数の個数: 24

約数和(自身を含む): 217609728

約数和(自身を除く): 117224908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 161911, 323822, 647644, 809555, 1619110, 3238220, 5019241, 10038482, 20076964, 25096205, 50192410, 100384820]

約数ペア:

[(1, 100384820), (2, 50192410), (4, 25096205), (5, 20076964), (10, 10038482), (20, 5019241), (31, 3238220), (62, 1619110), (124, 809555), (155, 647644), (310, 323822), (620, 161911)]