85516040

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9587}}^1$

素因数の和:9821

約数の個数: 32

約数和(自身を含む): 193294080

約数和(自身を除く): 107778040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 9587, 19174, 38348, 47935, 76696, 95870, 191740, 383480, 2137901, 4275802, 8551604, 10689505, 17103208, 21379010, 42758020, 85516040]

約数ペア:

[(1, 85516040), (2, 42758020), (4, 21379010), (5, 17103208), (8, 10689505), (10, 8551604), (20, 4275802), (40, 2137901), (223, 383480), (446, 191740), (892, 95870), (1115, 76696), (1784, 47935), (2230, 38348), (4460, 19174), (8920, 9587)]