2891252740

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{178693}}^1$

素因数の和:179511

約数の個数: 24

約数和(自身を含む): 6079169880

約数和(自身を除く): 3187917140

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 178693, 357386, 714772, 893465, 1786930, 3573860, 144562637, 289125274, 578250548, 722813185, 1445626370, 2891252740]

約数ペア:

[(1, 2891252740), (2, 1445626370), (4, 722813185), (5, 578250548), (10, 289125274), (20, 144562637), (809, 3573860), (1618, 1786930), (3236, 893465), (4045, 714772), (8090, 357386), (16180, 178693)]