42337640

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1049}}^1$

素因数の和:2069

約数の個数: 32

約数和(自身を含む): 95445000

約数和(自身を除く): 53107360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 1049, 2018, 2098, 4036, 4196, 5045, 5245, 8072, 8392, 10090, 10490, 20180, 20980, 40360, 41960, 1058441, 2116882, 4233764, 5292205, 8467528, 10584410, 21168820, 42337640]

約数ペア:

[(1, 42337640), (2, 21168820), (4, 10584410), (5, 8467528), (8, 5292205), (10, 4233764), (20, 2116882), (40, 1058441), (1009, 41960), (1049, 40360), (2018, 20980), (2098, 20180), (4036, 10490), (4196, 10090), (5045, 8392), (5245, 8072)]