81174040

素因数分解:

$2^3\times 5^1\times {\mathrm{2029351}}^1$

素因数の和:2029362

約数の個数: 16

約数和(自身を含む): 182641680

約数和(自身を除く): 101467640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2029351, 4058702, 8117404, 10146755, 16234808, 20293510, 40587020, 81174040]

約数ペア:

[(1, 81174040), (2, 40587020), (4, 20293510), (5, 16234808), (8, 10146755), (10, 8117404), (20, 4058702), (40, 2029351)]