2015019940

素因数分解:

$2^2\times 5^1\times {\mathrm{5441}}^1\times {\mathrm{18517}}^1$

素因数の和:23967

約数の個数: 24

約数和(自身を含む): 4232548152

約数和(自身を除く): 2217528212

約数列:

[1, 2, 4, 5, 10, 20, 5441, 10882, 18517, 21764, 27205, 37034, 54410, 74068, 92585, 108820, 185170, 370340, 100750997, 201501994, 403003988, 503754985, 1007509970, 2015019940]

約数ペア:

[(1, 2015019940), (2, 1007509970), (4, 503754985), (5, 403003988), (10, 201501994), (20, 100750997), (5441, 370340), (10882, 185170), (18517, 108820), (21764, 92585), (27205, 74068), (37034, 54410)]