12768880

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{827}}^1$

素因数の和:1033

約数の個数: 40

約数和(自身を含む): 29877552

約数和(自身を除く): 17108672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 827, 965, 1544, 1654, 1930, 3088, 3308, 3860, 4135, 6616, 7720, 8270, 13232, 15440, 16540, 33080, 66160, 159611, 319222, 638444, 798055, 1276888, 1596110, 2553776, 3192220, 6384440, 12768880]

約数ペア:

[(1, 12768880), (2, 6384440), (4, 3192220), (5, 2553776), (8, 1596110), (10, 1276888), (16, 798055), (20, 638444), (40, 319222), (80, 159611), (193, 66160), (386, 33080), (772, 16540), (827, 15440), (965, 13232), (1544, 8270), (1654, 7720), (1930, 6616), (3088, 4135), (3308, 3860)]