16626040

素因数分解:

$2^3\times 5^1\times {\mathrm{415651}}^1$

素因数の和:415662

約数の個数: 16

約数和(自身を含む): 37408680

約数和(自身を除く): 20782640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 415651, 831302, 1662604, 2078255, 3325208, 4156510, 8313020, 16626040]

約数ペア:

[(1, 16626040), (2, 8313020), (4, 4156510), (5, 3325208), (8, 2078255), (10, 1662604), (20, 831302), (40, 415651)]