199445920

素因数分解:

$2^5\times 5^1\times {\mathrm{1246537}}^1$

素因数の和:1246552

約数の個数: 24

約数和(自身を含む): 471191364

約数和(自身を除く): 271745444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1246537, 2493074, 4986148, 6232685, 9972296, 12465370, 19944592, 24930740, 39889184, 49861480, 99722960, 199445920]

約数ペア:

[(1, 199445920), (2, 99722960), (4, 49861480), (5, 39889184), (8, 24930740), (10, 19944592), (16, 12465370), (20, 9972296), (32, 6232685), (40, 4986148), (80, 2493074), (160, 1246537)]