200128220

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{9539}}^1$

素因数の和:10597

約数の個数: 24

約数和(自身を含む): 420714000

約数和(自身を除く): 220585780

約数列:

[1, 2, 4, 5, 10, 20, 1049, 2098, 4196, 5245, 9539, 10490, 19078, 20980, 38156, 47695, 95390, 190780, 10006411, 20012822, 40025644, 50032055, 100064110, 200128220]

約数ペア:

[(1, 200128220), (2, 100064110), (4, 50032055), (5, 40025644), (10, 20012822), (20, 10006411), (1049, 190780), (2098, 95390), (4196, 47695), (5245, 38156), (9539, 20980), (10490, 19078)]