890803640

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{39139}}^1$

素因数の和:39719

約数の個数: 32

約数和(自身を含む): 2007882000

約数和(自身を除く): 1117078360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 4552, 5690, 11380, 22760, 39139, 78278, 156556, 195695, 313112, 391390, 782780, 1565560, 22270091, 44540182, 89080364, 111350455, 178160728, 222700910, 445401820, 890803640]

約数ペア:

[(1, 890803640), (2, 445401820), (4, 222700910), (5, 178160728), (8, 111350455), (10, 89080364), (20, 44540182), (40, 22270091), (569, 1565560), (1138, 782780), (2276, 391390), (2845, 313112), (4552, 195695), (5690, 156556), (11380, 78278), (22760, 39139)]