128522560

素因数分解:

$2^6\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2081}}^1$

素因数の和:2291

約数の個数: 56

約数和(自身を含む): 307777896

約数和(自身を除く): 179255336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 193, 320, 386, 772, 965, 1544, 1930, 2081, 3088, 3860, 4162, 6176, 7720, 8324, 10405, 12352, 15440, 16648, 20810, 30880, 33296, 41620, 61760, 66592, 83240, 133184, 166480, 332960, 401633, 665920, 803266, 1606532, 2008165, 3213064, 4016330, 6426128, 8032660, 12852256, 16065320, 25704512, 32130640, 64261280, 128522560]

約数ペア:

[(1, 128522560), (2, 64261280), (4, 32130640), (5, 25704512), (8, 16065320), (10, 12852256), (16, 8032660), (20, 6426128), (32, 4016330), (40, 3213064), (64, 2008165), (80, 1606532), (160, 803266), (193, 665920), (320, 401633), (386, 332960), (772, 166480), (965, 133184), (1544, 83240), (1930, 66592), (2081, 61760), (3088, 41620), (3860, 33296), (4162, 30880), (6176, 20810), (7720, 16648), (8324, 15440), (10405, 12352)]