13340375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 18083520

約数和(自身を除く): 4743145

約数列:

[1, 5, 19, 25, 41, 95, 125, 137, 205, 475, 685, 779, 1025, 2375, 2603, 3425, 3895, 5125, 5617, 13015, 17125, 19475, 28085, 65075, 97375, 106723, 140425, 325375, 533615, 702125, 2668075, 13340375]

約数ペア:

[(1, 13340375), (5, 2668075), (19, 702125), (25, 533615), (41, 325375), (95, 140425), (125, 106723), (137, 97375), (205, 65075), (475, 28085), (685, 19475), (779, 17125), (1025, 13015), (2375, 5617), (2603, 5125), (3425, 3895)]