320413220

素因数分解:

$2^2\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{10891}}^1$

素因数の和:12371

約数の個数: 24

約数和(自身を含む): 673387008

約数和(自身を除く): 352973788

約数列:

[1, 2, 4, 5, 10, 20, 1471, 2942, 5884, 7355, 10891, 14710, 21782, 29420, 43564, 54455, 108910, 217820, 16020661, 32041322, 64082644, 80103305, 160206610, 320413220]

約数ペア:

[(1, 320413220), (2, 160206610), (4, 80103305), (5, 64082644), (10, 32041322), (20, 16020661), (1471, 217820), (2942, 108910), (5884, 54455), (7355, 43564), (10891, 29420), (14710, 21782)]