81043265

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20807}}^1$

素因数の和:20872

約数の個数: 16

約数和(自身を含む): 104872320

約数和(自身を除く): 23829055

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 20807, 104035, 395333, 853087, 1976665, 4265435, 16208653, 81043265]

約数ペア:

[(1, 81043265), (5, 16208653), (19, 4265435), (41, 1976665), (95, 853087), (205, 395333), (779, 104035), (3895, 20807)]