180096040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{104707}}^1$

素因数の和:104761

約数の個数: 32

約数和(自身を含む): 414643680

約数和(自身を除く): 234547640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 104707, 209414, 418828, 523535, 837656, 1047070, 2094140, 4188280, 4502401, 9004802, 18009604, 22512005, 36019208, 45024010, 90048020, 180096040]

約数ペア:

[(1, 180096040), (2, 90048020), (4, 45024010), (5, 36019208), (8, 22512005), (10, 18009604), (20, 9004802), (40, 4502401), (43, 4188280), (86, 2094140), (172, 1047070), (215, 837656), (344, 523535), (430, 418828), (860, 209414), (1720, 104707)]