8451980

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1571}}^1$

素因数の和:1849

約数の個数: 24

約数和(自身を含む): 17826480

約数和(自身を除く): 9374500

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 1571, 2690, 3142, 5380, 6284, 7855, 15710, 31420, 422599, 845198, 1690396, 2112995, 4225990, 8451980]

約数ペア:

[(1, 8451980), (2, 4225990), (4, 2112995), (5, 1690396), (10, 845198), (20, 422599), (269, 31420), (538, 15710), (1076, 7855), (1345, 6284), (1571, 5380), (2690, 3142)]