64715425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3323}}^1$

素因数の和:3393

約数の個数: 24

約数和(自身を含む): 86556960

約数和(自身を除く): 21841535

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 3323, 3895, 16615, 19475, 63137, 83075, 136243, 315685, 681215, 1578425, 2588617, 3406075, 12943085, 64715425]

約数ペア:

[(1, 64715425), (5, 12943085), (19, 3406075), (25, 2588617), (41, 1578425), (95, 681215), (205, 315685), (475, 136243), (779, 83075), (1025, 63137), (3323, 19475), (3895, 16615)]