156865780

素因数分解:

$2^2\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{3769}}^1$

素因数の和:5859

約数の個数: 24

約数和(自身を含む): 329663880

約数和(自身を除く): 172798100

約数列:

[1, 2, 4, 5, 10, 20, 2081, 3769, 4162, 7538, 8324, 10405, 15076, 18845, 20810, 37690, 41620, 75380, 7843289, 15686578, 31373156, 39216445, 78432890, 156865780]

約数ペア:

[(1, 156865780), (2, 78432890), (4, 39216445), (5, 31373156), (10, 15686578), (20, 7843289), (2081, 75380), (3769, 41620), (4162, 37690), (7538, 20810), (8324, 18845), (10405, 15076)]