90044560

素因数分解:

$2^4\times 5^1\times {\mathrm{1125557}}^1$

素因数の和:1125570

約数の個数: 20

約数和(自身を含む): 209353788

約数和(自身を除く): 119309228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1125557, 2251114, 4502228, 5627785, 9004456, 11255570, 18008912, 22511140, 45022280, 90044560]

約数ペア:

[(1, 90044560), (2, 45022280), (4, 22511140), (5, 18008912), (8, 11255570), (10, 9004456), (16, 5627785), (20, 4502228), (40, 2251114), (80, 1125557)]