39711680

素因数分解:

$2^6\times 5^1\times {\mathrm{193}}^1\times {\mathrm{643}}^1$

素因数の和:853

約数の個数: 56

約数和(自身を含む): 95201232

約数和(自身を除く): 55489552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 193, 320, 386, 643, 772, 965, 1286, 1544, 1930, 2572, 3088, 3215, 3860, 5144, 6176, 6430, 7720, 10288, 12352, 12860, 15440, 20576, 25720, 30880, 41152, 51440, 61760, 102880, 124099, 205760, 248198, 496396, 620495, 992792, 1240990, 1985584, 2481980, 3971168, 4963960, 7942336, 9927920, 19855840, 39711680]

約数ペア:

[(1, 39711680), (2, 19855840), (4, 9927920), (5, 7942336), (8, 4963960), (10, 3971168), (16, 2481980), (20, 1985584), (32, 1240990), (40, 992792), (64, 620495), (80, 496396), (160, 248198), (193, 205760), (320, 124099), (386, 102880), (643, 61760), (772, 51440), (965, 41152), (1286, 30880), (1544, 25720), (1930, 20576), (2572, 15440), (3088, 12860), (3215, 12352), (3860, 10288), (5144, 7720), (6176, 6430)]