61605640

素因数分解:

$2^3\times 5^1\times {\mathrm{1540141}}^1$

素因数の和:1540152

約数の個数: 16

約数和(自身を含む): 138612780

約数和(自身を除く): 77007140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1540141, 3080282, 6160564, 7700705, 12321128, 15401410, 30802820, 61605640]

約数ペア:

[(1, 61605640), (2, 30802820), (4, 15401410), (5, 12321128), (8, 7700705), (10, 6160564), (20, 3080282), (40, 1540141)]