85091180

素因数分解:

$2^2\times 5^1\times {\mathrm{4254559}}^1$

素因数の和:4254568

約数の個数: 12

約数和(自身を含む): 178691520

約数和(自身を除く): 93600340

約数列:

[1, 2, 4, 5, 10, 20, 4254559, 8509118, 17018236, 21272795, 42545590, 85091180]

約数ペア:

[(1, 85091180), (2, 42545590), (4, 21272795), (5, 17018236), (10, 8509118), (20, 4254559)]