30880040

素因数分解:

$2^3\times 5^1\times {\mathrm{772001}}^1$

素因数の和:772012

約数の個数: 16

約数和(自身を含む): 69480180

約数和(自身を除く): 38600140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 772001, 1544002, 3088004, 3860005, 6176008, 7720010, 15440020, 30880040]

約数ペア:

[(1, 30880040), (2, 15440020), (4, 7720010), (5, 6176008), (8, 3860005), (10, 3088004), (20, 1544002), (40, 772001)]