67660025

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 86780160

約数和(自身を除く): 19120135

約数列:

[1, 5, 25, 47, 89, 235, 445, 647, 1175, 2225, 3235, 4183, 16175, 20915, 30409, 57583, 104575, 152045, 287915, 760225, 1439575, 2706401, 13532005, 67660025]

約数ペア:

[(1, 67660025), (5, 13532005), (25, 2706401), (47, 1439575), (89, 760225), (235, 287915), (445, 152045), (647, 104575), (1175, 57583), (2225, 30409), (3235, 20915), (4183, 16175)]