40199885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{17827}}^1$

素因数の和:17884

約数の個数: 16

約数和(自身を含む): 53911872

約数和(自身を除く): 13711987

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 17827, 89135, 196097, 730907, 980485, 3654535, 8039977, 40199885]

約数ペア:

[(1, 40199885), (5, 8039977), (11, 3654535), (41, 980485), (55, 730907), (205, 196097), (451, 89135), (2255, 17827)]