90048020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{104707}}^1$

素因数の和:104759

約数の個数: 24

約数和(自身を含む): 193500384

約数和(自身を除く): 103452364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 104707, 209414, 418828, 523535, 1047070, 2094140, 4502401, 9004802, 18009604, 22512005, 45024010, 90048020]

約数ペア:

[(1, 90048020), (2, 45024010), (4, 22512005), (5, 18009604), (10, 9004802), (20, 4502401), (43, 2094140), (86, 1047070), (172, 523535), (215, 418828), (430, 209414), (860, 104707)]