2005025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 2839104

約数和(自身を除く): 834079

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 317, 575, 1265, 1585, 3487, 6325, 7291, 7925, 17435, 36455, 80201, 87175, 182275, 401005, 2005025]

約数ペア:

[(1, 2005025), (5, 401005), (11, 182275), (23, 87175), (25, 80201), (55, 36455), (115, 17435), (253, 7925), (275, 7291), (317, 6325), (575, 3487), (1265, 1585)]