2019405560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1174073}}^1$

素因数の和:1174127

約数の個数: 32

約数和(自身を含む): 4649333040

約数和(自身を除く): 2629927480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1174073, 2348146, 4696292, 5870365, 9392584, 11740730, 23481460, 46962920, 50485139, 100970278, 201940556, 252425695, 403881112, 504851390, 1009702780, 2019405560]

約数ペア:

[(1, 2019405560), (2, 1009702780), (4, 504851390), (5, 403881112), (8, 252425695), (10, 201940556), (20, 100970278), (40, 50485139), (43, 46962920), (86, 23481460), (172, 11740730), (215, 9392584), (344, 5870365), (430, 4696292), (860, 2348146), (1720, 1174073)]