12620275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^2$

素因数の和:355

約数の個数: 18

約数和(自身を含む): 16574460

約数和(自身を除く): 3954185

約数列:

[1, 5, 19, 25, 95, 163, 475, 815, 3097, 4075, 15485, 26569, 77425, 132845, 504811, 664225, 2524055, 12620275]

約数ペア:

[(1, 12620275), (5, 2524055), (19, 664225), (25, 504811), (95, 132845), (163, 77425), (475, 26569), (815, 15485), (3097, 4075)]