1806040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 4103280

約数和(自身を除く): 2297240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 277, 326, 554, 652, 815, 1108, 1304, 1385, 1630, 2216, 2770, 3260, 5540, 6520, 11080, 45151, 90302, 180604, 225755, 361208, 451510, 903020, 1806040]

約数ペア:

[(1, 1806040), (2, 903020), (4, 451510), (5, 361208), (8, 225755), (10, 180604), (20, 90302), (40, 45151), (163, 11080), (277, 6520), (326, 5540), (554, 3260), (652, 2770), (815, 2216), (1108, 1630), (1304, 1385)]