90764560

素因数分解:

$2^4\times 5^1\times {\mathrm{1134557}}^1$

素因数の和:1134570

約数の個数: 20

約数和(自身を含む): 211027788

約数和(自身を除く): 120263228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1134557, 2269114, 4538228, 5672785, 9076456, 11345570, 18152912, 22691140, 45382280, 90764560]

約数ペア:

[(1, 90764560), (2, 45382280), (4, 22691140), (5, 18152912), (8, 11345570), (10, 9076456), (16, 5672785), (20, 4538228), (40, 2269114), (80, 1134557)]