872942780

素因数分解:

$2^2\times 5^1\times {\mathrm{2447}}^1\times {\mathrm{17837}}^1$

素因数の和:20293

約数の個数: 24

約数和(自身を含む): 1834031808

約数和(自身を除く): 961089028

約数列:

[1, 2, 4, 5, 10, 20, 2447, 4894, 9788, 12235, 17837, 24470, 35674, 48940, 71348, 89185, 178370, 356740, 43647139, 87294278, 174588556, 218235695, 436471390, 872942780]

約数ペア:

[(1, 872942780), (2, 436471390), (4, 218235695), (5, 174588556), (10, 87294278), (20, 43647139), (2447, 356740), (4894, 178370), (9788, 89185), (12235, 71348), (17837, 48940), (24470, 35674)]