164420660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{200513}}^1$

素因数の和:200563

約数の個数: 24

約数和(自身を含む): 353706696

約数和(自身を除く): 189286036

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 200513, 401026, 802052, 1002565, 2005130, 4010260, 8221033, 16442066, 32884132, 41105165, 82210330, 164420660]

約数ペア:

[(1, 164420660), (2, 82210330), (4, 41105165), (5, 32884132), (10, 16442066), (20, 8221033), (41, 4010260), (82, 2005130), (164, 1002565), (205, 802052), (410, 401026), (820, 200513)]