51384320

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:235

約数の個数: 104

約数和(自身を含む): 133480536

約数和(自身を除く): 82096216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 193, 208, 256, 260, 320, 386, 416, 512, 520, 640, 772, 832, 965, 1024, 1040, 1280, 1544, 1664, 1930, 2048, 2080, 2509, 2560, 3088, 3328, 3860, 4096, 4160, 5018, 5120, 6176, 6656, 7720, 8320, 10036, 10240, 12352, 12545, 13312, 15440, 16640, 20072, 20480, 24704, 25090, 26624, 30880, 33280, 40144, 49408, 50180, 53248, 61760, 66560, 80288, 98816, 100360, 123520, 133120, 160576, 197632, 200720, 247040, 266240, 321152, 395264, 401440, 494080, 642304, 790528, 802880, 988160, 1284608, 1605760, 1976320, 2569216, 3211520, 3952640, 5138432, 6423040, 10276864, 12846080, 25692160, 51384320]

約数ペア:

[(1, 51384320), (2, 25692160), (4, 12846080), (5, 10276864), (8, 6423040), (10, 5138432), (13, 3952640), (16, 3211520), (20, 2569216), (26, 1976320), (32, 1605760), (40, 1284608), (52, 988160), (64, 802880), (65, 790528), (80, 642304), (104, 494080), (128, 401440), (130, 395264), (160, 321152), (193, 266240), (208, 247040), (256, 200720), (260, 197632), (320, 160576), (386, 133120), (416, 123520), (512, 100360), (520, 98816), (640, 80288), (772, 66560), (832, 61760), (965, 53248), (1024, 50180), (1040, 49408), (1280, 40144), (1544, 33280), (1664, 30880), (1930, 26624), (2048, 25090), (2080, 24704), (2509, 20480), (2560, 20072), (3088, 16640), (3328, 15440), (3860, 13312), (4096, 12545), (4160, 12352), (5018, 10240), (5120, 10036), (6176, 8320), (6656, 7720)]