1838680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1069}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 4237200

約数和(自身を除く): 2398520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1069, 1720, 2138, 4276, 5345, 8552, 10690, 21380, 42760, 45967, 91934, 183868, 229835, 367736, 459670, 919340, 1838680]

約数ペア:

[(1, 1838680), (2, 919340), (4, 459670), (5, 367736), (8, 229835), (10, 183868), (20, 91934), (40, 45967), (43, 42760), (86, 21380), (172, 10690), (215, 8552), (344, 5345), (430, 4276), (860, 2138), (1069, 1720)]