12756125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 17297280

約数和(自身を除く): 4541155

約数列:

[1, 5, 19, 25, 41, 95, 125, 131, 205, 475, 655, 779, 1025, 2375, 2489, 3275, 3895, 5125, 5371, 12445, 16375, 19475, 26855, 62225, 97375, 102049, 134275, 311125, 510245, 671375, 2551225, 12756125]

約数ペア:

[(1, 12756125), (5, 2551225), (19, 671375), (25, 510245), (41, 311125), (95, 134275), (125, 102049), (131, 97375), (205, 62225), (475, 26855), (655, 19475), (779, 16375), (1025, 12445), (2375, 5371), (2489, 5125), (3275, 3895)]