61604360

素因数分解:

$2^3\times 5^1\times {\mathrm{1540109}}^1$

素因数の和:1540120

約数の個数: 16

約数和(自身を含む): 138609900

約数和(自身を除く): 77005540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1540109, 3080218, 6160436, 7700545, 12320872, 15401090, 30802180, 61604360]

約数ペア:

[(1, 61604360), (2, 30802180), (4, 15401090), (5, 12320872), (8, 7700545), (10, 6160436), (20, 3080218), (40, 1540109)]