12459680

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1811}}^1$

素因数の和:1869

約数の個数: 48

約数和(自身を含む): 30137184

約数和(自身を除く): 17677504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 1811, 3440, 3622, 6880, 7244, 9055, 14488, 18110, 28976, 36220, 57952, 72440, 77873, 144880, 155746, 289760, 311492, 389365, 622984, 778730, 1245968, 1557460, 2491936, 3114920, 6229840, 12459680]

約数ペア:

[(1, 12459680), (2, 6229840), (4, 3114920), (5, 2491936), (8, 1557460), (10, 1245968), (16, 778730), (20, 622984), (32, 389365), (40, 311492), (43, 289760), (80, 155746), (86, 144880), (160, 77873), (172, 72440), (215, 57952), (344, 36220), (430, 28976), (688, 18110), (860, 14488), (1376, 9055), (1720, 7244), (1811, 6880), (3440, 3622)]