12080405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1439}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 15344640

約数和(自身を除く): 3264235

約数列:

[1, 5, 23, 73, 115, 365, 1439, 1679, 7195, 8395, 33097, 105047, 165485, 525235, 2416081, 12080405]

約数ペア:

[(1, 12080405), (5, 2416081), (23, 525235), (73, 165485), (115, 105047), (365, 33097), (1439, 8395), (1679, 7195)]