80949040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21529}}^1$

素因数の和:21589

約数の個数: 40

約数和(自身を含む): 192219840

約数和(自身を除く): 111270800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 21529, 43058, 86116, 107645, 172232, 215290, 344464, 430580, 861160, 1011863, 1722320, 2023726, 4047452, 5059315, 8094904, 10118630, 16189808, 20237260, 40474520, 80949040]

約数ペア:

[(1, 80949040), (2, 40474520), (4, 20237260), (5, 16189808), (8, 10118630), (10, 8094904), (16, 5059315), (20, 4047452), (40, 2023726), (47, 1722320), (80, 1011863), (94, 861160), (188, 430580), (235, 344464), (376, 215290), (470, 172232), (752, 107645), (940, 86116), (1880, 43058), (3760, 21529)]