12477800

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 29378700

約数和(自身を除く): 16900900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 701, 712, 890, 1402, 1780, 2225, 2804, 3505, 3560, 4450, 5608, 7010, 8900, 14020, 17525, 17800, 28040, 35050, 62389, 70100, 124778, 140200, 249556, 311945, 499112, 623890, 1247780, 1559725, 2495560, 3119450, 6238900, 12477800]

約数ペア:

[(1, 12477800), (2, 6238900), (4, 3119450), (5, 2495560), (8, 1559725), (10, 1247780), (20, 623890), (25, 499112), (40, 311945), (50, 249556), (89, 140200), (100, 124778), (178, 70100), (200, 62389), (356, 35050), (445, 28040), (701, 17800), (712, 17525), (890, 14020), (1402, 8900), (1780, 7010), (2225, 5608), (2804, 4450), (3505, 3560)]