78414040

素因数分解:

$2^3\times 5^1\times {\mathrm{1960351}}^1$

素因数の和:1960362

約数の個数: 16

約数和(自身を含む): 176431680

約数和(自身を除く): 98017640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1960351, 3920702, 7841404, 9801755, 15682808, 19603510, 39207020, 78414040]

約数ペア:

[(1, 78414040), (2, 39207020), (4, 19603510), (5, 15682808), (8, 9801755), (10, 7841404), (20, 3920702), (40, 1960351)]