511236980

素因数分解:

$2^2\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{11731}}^1$

素因数の和:13919

約数の個数: 24

約数和(自身を含む): 1074181920

約数和(自身を除く): 562944940

約数列:

[1, 2, 4, 5, 10, 20, 2179, 4358, 8716, 10895, 11731, 21790, 23462, 43580, 46924, 58655, 117310, 234620, 25561849, 51123698, 102247396, 127809245, 255618490, 511236980]

約数ペア:

[(1, 511236980), (2, 255618490), (4, 127809245), (5, 102247396), (10, 51123698), (20, 25561849), (2179, 234620), (4358, 117310), (8716, 58655), (10895, 46924), (11731, 43580), (21790, 23462)]