2551225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 3437280

約数和(自身を除く): 886055

約数列:

[1, 5, 19, 25, 41, 95, 131, 205, 475, 655, 779, 1025, 2489, 3275, 3895, 5371, 12445, 19475, 26855, 62225, 102049, 134275, 510245, 2551225]

約数ペア:

[(1, 2551225), (5, 510245), (19, 134275), (25, 102049), (41, 62225), (95, 26855), (131, 19475), (205, 12445), (475, 5371), (655, 3895), (779, 3275), (1025, 2489)]