20170123640

素因数分解:

$2^3\times 5^1\times {\mathrm{504253091}}^1$

素因数の和:504253102

約数の個数: 16

約数和(自身を含む): 45382778280

約数和(自身を除く): 25212654640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504253091, 1008506182, 2017012364, 2521265455, 4034024728, 5042530910, 10085061820, 20170123640]

約数ペア:

[(1, 20170123640), (2, 10085061820), (4, 5042530910), (5, 4034024728), (8, 2521265455), (10, 2017012364), (20, 1008506182), (40, 504253091)]