28709360

素因数分解:

$2^4\times 5^1\times {\mathrm{358867}}^1$

素因数の和:358880

約数の個数: 20

約数和(自身を含む): 66749448

約数和(自身を除く): 38040088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358867, 717734, 1435468, 1794335, 2870936, 3588670, 5741872, 7177340, 14354680, 28709360]

約数ペア:

[(1, 28709360), (2, 14354680), (4, 7177340), (5, 5741872), (8, 3588670), (10, 2870936), (16, 1794335), (20, 1435468), (40, 717734), (80, 358867)]