85090540

素因数分解:

$2^2\times 5^1\times {\mathrm{4254527}}^1$

素因数の和:4254536

約数の個数: 12

約数和(自身を含む): 178690176

約数和(自身を除く): 93599636

約数列:

[1, 2, 4, 5, 10, 20, 4254527, 8509054, 17018108, 21272635, 42545270, 85090540]

約数ペア:

[(1, 85090540), (2, 42545270), (4, 21272635), (5, 17018108), (10, 8509054), (20, 4254527)]