128599760

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{8329}}^1$

素因数の和:8535

約数の個数: 40

約数和(自身を含む): 300579720

約数和(自身を除く): 171979960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 8329, 15440, 16658, 33316, 41645, 66632, 83290, 133264, 166580, 333160, 666320, 1607497, 3214994, 6429988, 8037485, 12859976, 16074970, 25719952, 32149940, 64299880, 128599760]

約数ペア:

[(1, 128599760), (2, 64299880), (4, 32149940), (5, 25719952), (8, 16074970), (10, 12859976), (16, 8037485), (20, 6429988), (40, 3214994), (80, 1607497), (193, 666320), (386, 333160), (772, 166580), (965, 133264), (1544, 83290), (1930, 66632), (3088, 41645), (3860, 33316), (7720, 16658), (8329, 15440)]