81300335

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20873}}^1$

素因数の和:20938

約数の個数: 16

約数和(自身を含む): 105204960

約数和(自身を除く): 23904625

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 20873, 104365, 396587, 855793, 1982935, 4278965, 16260067, 81300335]

約数ペア:

[(1, 81300335), (5, 16260067), (19, 4278965), (41, 1982935), (95, 855793), (205, 396587), (779, 104365), (3895, 20873)]