814368640

素因数分解:

$2^7\times 5^1\times {\mathrm{1272451}}^1$

素因数の和:1272470

約数の個数: 32

約数和(自身を含む): 1946851560

約数和(自身を除く): 1132482920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1272451, 2544902, 5089804, 6362255, 10179608, 12724510, 20359216, 25449020, 40718432, 50898040, 81436864, 101796080, 162873728, 203592160, 407184320, 814368640]

約数ペア:

[(1, 814368640), (2, 407184320), (4, 203592160), (5, 162873728), (8, 101796080), (10, 81436864), (16, 50898040), (20, 40718432), (32, 25449020), (40, 20359216), (64, 12724510), (80, 10179608), (128, 6362255), (160, 5089804), (320, 2544902), (640, 1272451)]