82898020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{18587}}^1$

素因数の和:18819

約数の個数: 24

約数和(自身を含む): 174875904

約数和(自身を除く): 91977884

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 18587, 37174, 74348, 92935, 185870, 371740, 4144901, 8289802, 16579604, 20724505, 41449010, 82898020]

約数ペア:

[(1, 82898020), (2, 41449010), (4, 20724505), (5, 16579604), (10, 8289802), (20, 4144901), (223, 371740), (446, 185870), (892, 92935), (1115, 74348), (2230, 37174), (4460, 18587)]