5818220

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{691}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 12265008

約数和(自身を除く): 6446788

約数列:

[1, 2, 4, 5, 10, 20, 421, 691, 842, 1382, 1684, 2105, 2764, 3455, 4210, 6910, 8420, 13820, 290911, 581822, 1163644, 1454555, 2909110, 5818220]

約数ペア:

[(1, 5818220), (2, 2909110), (4, 1454555), (5, 1163644), (10, 581822), (20, 290911), (421, 13820), (691, 8420), (842, 6910), (1382, 4210), (1684, 3455), (2105, 2764)]