2351240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1367}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 5417280

約数和(自身を除く): 3066040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1367, 1720, 2734, 5468, 6835, 10936, 13670, 27340, 54680, 58781, 117562, 235124, 293905, 470248, 587810, 1175620, 2351240]

約数ペア:

[(1, 2351240), (2, 1175620), (4, 587810), (5, 470248), (8, 293905), (10, 235124), (20, 117562), (40, 58781), (43, 54680), (86, 27340), (172, 13670), (215, 10936), (344, 6835), (430, 5468), (860, 2734), (1367, 1720)]