90550475

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 115950912

約数和(自身を除く): 25400437

約数列:

[1, 5, 25, 43, 131, 215, 643, 655, 1075, 3215, 3275, 5633, 16075, 27649, 28165, 84233, 138245, 140825, 421165, 691225, 2105825, 3622019, 18110095, 90550475]

約数ペア:

[(1, 90550475), (5, 18110095), (25, 3622019), (43, 2105825), (131, 691225), (215, 421165), (643, 140825), (655, 138245), (1075, 84233), (3215, 28165), (3275, 27649), (5633, 16075)]