42561580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23911}}^1$

素因数の和:24009

約数の個数: 24

約数和(自身を含む): 90387360

約数和(自身を除く): 47825780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 23911, 47822, 95644, 119555, 239110, 478220, 2128079, 4256158, 8512316, 10640395, 21280790, 42561580]

約数ペア:

[(1, 42561580), (2, 21280790), (4, 10640395), (5, 8512316), (10, 4256158), (20, 2128079), (89, 478220), (178, 239110), (356, 119555), (445, 95644), (890, 47822), (1780, 23911)]