401040820

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{68437}}^1$

素因数の和:68739

約数の個数: 24

約数和(自身を含む): 845072424

約数和(自身を除く): 444031604

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 5860, 68437, 136874, 273748, 342185, 684370, 1368740, 20052041, 40104082, 80208164, 100260205, 200520410, 401040820]

約数ペア:

[(1, 401040820), (2, 200520410), (4, 100260205), (5, 80208164), (10, 40104082), (20, 20052041), (293, 1368740), (586, 684370), (1172, 342185), (1465, 273748), (2930, 136874), (5860, 68437)]