85429040

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2663}}^1$

素因数の和:3077

約数の個数: 40

約数和(自身を含む): 199192608

約数和(自身を除く): 113763568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 2663, 3208, 4010, 5326, 6416, 8020, 10652, 13315, 16040, 21304, 26630, 32080, 42608, 53260, 106520, 213040, 1067863, 2135726, 4271452, 5339315, 8542904, 10678630, 17085808, 21357260, 42714520, 85429040]

約数ペア:

[(1, 85429040), (2, 42714520), (4, 21357260), (5, 17085808), (8, 10678630), (10, 8542904), (16, 5339315), (20, 4271452), (40, 2135726), (80, 1067863), (401, 213040), (802, 106520), (1604, 53260), (2005, 42608), (2663, 32080), (3208, 26630), (4010, 21304), (5326, 16040), (6416, 13315), (8020, 10652)]