256437925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5011}}^1$

素因数の和:5133

約数の個数: 24

約数和(自身を含む): 335603520

約数和(自身を除く): 79165595

約数列:

[1, 5, 23, 25, 89, 115, 445, 575, 2047, 2225, 5011, 10235, 25055, 51175, 115253, 125275, 445979, 576265, 2229895, 2881325, 10257517, 11149475, 51287585, 256437925]

約数ペア:

[(1, 256437925), (5, 51287585), (23, 11149475), (25, 10257517), (89, 2881325), (115, 2229895), (445, 576265), (575, 445979), (2047, 125275), (2225, 115253), (5011, 51175), (10235, 25055)]