22389040

素因数分解:

$2^4\times 5^1\times {\mathrm{279863}}^1$

素因数の和:279876

約数の個数: 20

約数和(自身を含む): 52054704

約数和(自身を除く): 29665664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 279863, 559726, 1119452, 1399315, 2238904, 2798630, 4477808, 5597260, 11194520, 22389040]

約数ペア:

[(1, 22389040), (2, 11194520), (4, 5597260), (5, 4477808), (8, 2798630), (10, 2238904), (16, 1399315), (20, 1119452), (40, 559726), (80, 279863)]