85085540

素因数分解:

$2^2\times 5^1\times {\mathrm{4254277}}^1$

素因数の和:4254286

約数の個数: 12

約数和(自身を含む): 178679676

約数和(自身を除く): 93594136

約数列:

[1, 2, 4, 5, 10, 20, 4254277, 8508554, 17017108, 21271385, 42542770, 85085540]

約数ペア:

[(1, 85085540), (2, 42542770), (4, 21271385), (5, 17017108), (10, 8508554), (20, 4254277)]