128900350

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{32633}}^1$

素因数の和:32724

約数の個数: 24

約数和(自身を含む): 242796960

約数和(自身を除く): 113896610

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 32633, 65266, 163165, 326330, 815825, 1631650, 2578007, 5156014, 12890035, 25780070, 64450175, 128900350]

約数ペア:

[(1, 128900350), (2, 64450175), (5, 25780070), (10, 12890035), (25, 5156014), (50, 2578007), (79, 1631650), (158, 815825), (395, 326330), (790, 163165), (1975, 65266), (3950, 32633)]