26317480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{487}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 68163840

約数和(自身を除く): 41846360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 487, 772, 965, 974, 1351, 1544, 1930, 1948, 2435, 2702, 3409, 3860, 3896, 4870, 5404, 6755, 6818, 7720, 9740, 10808, 13510, 13636, 17045, 19480, 27020, 27272, 34090, 54040, 68180, 93991, 136360, 187982, 375964, 469955, 657937, 751928, 939910, 1315874, 1879820, 2631748, 3289685, 3759640, 5263496, 6579370, 13158740, 26317480]

約数ペア:

[(1, 26317480), (2, 13158740), (4, 6579370), (5, 5263496), (7, 3759640), (8, 3289685), (10, 2631748), (14, 1879820), (20, 1315874), (28, 939910), (35, 751928), (40, 657937), (56, 469955), (70, 375964), (140, 187982), (193, 136360), (280, 93991), (386, 68180), (487, 54040), (772, 34090), (965, 27272), (974, 27020), (1351, 19480), (1544, 17045), (1930, 13636), (1948, 13510), (2435, 10808), (2702, 9740), (3409, 7720), (3860, 6818), (3896, 6755), (4870, 5404)]