85091140

素因数分解:

$2^2\times 5^1\times {\mathrm{4254557}}^1$

素因数の和:4254566

約数の個数: 12

約数和(自身を含む): 178691436

約数和(自身を除く): 93600296

約数列:

[1, 2, 4, 5, 10, 20, 4254557, 8509114, 17018228, 21272785, 42545570, 85091140]

約数ペア:

[(1, 85091140), (2, 42545570), (4, 21272785), (5, 17018228), (10, 8509114), (20, 4254557)]