68162620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{55871}}^1$

素因数の和:55941

約数の個数: 24

約数和(自身を含む): 145490688

約数和(自身を除く): 77328068

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 55871, 111742, 223484, 279355, 558710, 1117420, 3408131, 6816262, 13632524, 17040655, 34081310, 68162620]

約数ペア:

[(1, 68162620), (2, 34081310), (4, 17040655), (5, 13632524), (10, 6816262), (20, 3408131), (61, 1117420), (122, 558710), (244, 279355), (305, 223484), (610, 111742), (1220, 55871)]