42714520

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2663}}^1$

素因数の和:3075

約数の個数: 32

約数和(自身を含む): 96383520

約数和(自身を除く): 53669000

約数列:

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

約数ペア:

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