202132180

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{25981}}^1$

素因数の和:26379

約数の個数: 24

約数和(自身を含む): 425585160

約数和(自身を除く): 223452980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 25981, 51962, 103924, 129905, 259810, 519620, 10106609, 20213218, 40426436, 50533045, 101066090, 202132180]

約数ペア:

[(1, 202132180), (2, 101066090), (4, 50533045), (5, 40426436), (10, 20213218), (20, 10106609), (389, 519620), (778, 259810), (1556, 129905), (1945, 103924), (3890, 51962), (7780, 25981)]