90990560

素因数分解:

$2^5\times 5^1\times {\mathrm{568691}}^1$

素因数の和:568706

約数の個数: 24

約数和(自身を含む): 214965576

約数和(自身を除く): 123975016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 568691, 1137382, 2274764, 2843455, 4549528, 5686910, 9099056, 11373820, 18198112, 22747640, 45495280, 90990560]

約数ペア:

[(1, 90990560), (2, 45495280), (4, 22747640), (5, 18198112), (8, 11373820), (10, 9099056), (16, 5686910), (20, 4549528), (32, 2843455), (40, 2274764), (80, 1137382), (160, 568691)]