40297980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{671633}}^1$

素因数の和:671645

約数の個数: 24

約数和(自身を含む): 112834512

約数和(自身を除く): 72536532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 671633, 1343266, 2014899, 2686532, 3358165, 4029798, 6716330, 8059596, 10074495, 13432660, 20148990, 40297980]

約数ペア:

[(1, 40297980), (2, 20148990), (3, 13432660), (4, 10074495), (5, 8059596), (6, 6716330), (10, 4029798), (12, 3358165), (15, 2686532), (20, 2014899), (30, 1343266), (60, 671633)]