51750400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:352

約数の個数: 120

約数和(自身を含む): 138522384

約数和(自身を除く): 86771984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 311, 320, 325, 400, 416, 512, 520, 622, 640, 650, 800, 832, 1040, 1244, 1280, 1300, 1555, 1600, 1664, 2080, 2488, 2560, 2600, 3110, 3200, 3328, 4043, 4160, 4976, 5200, 6220, 6400, 6656, 7775, 8086, 8320, 9952, 10400, 12440, 12800, 15550, 16172, 16640, 19904, 20215, 20800, 24880, 31100, 32344, 33280, 39808, 40430, 41600, 49760, 62200, 64688, 79616, 80860, 83200, 99520, 101075, 124400, 129376, 159232, 161720, 166400, 199040, 202150, 248800, 258752, 323440, 398080, 404300, 497600, 517504, 646880, 796160, 808600, 995200, 1035008, 1293760, 1617200, 1990400, 2070016, 2587520, 3234400, 3980800, 5175040, 6468800, 10350080, 12937600, 25875200, 51750400]

約数ペア:

[(1, 51750400), (2, 25875200), (4, 12937600), (5, 10350080), (8, 6468800), (10, 5175040), (13, 3980800), (16, 3234400), (20, 2587520), (25, 2070016), (26, 1990400), (32, 1617200), (40, 1293760), (50, 1035008), (52, 995200), (64, 808600), (65, 796160), (80, 646880), (100, 517504), (104, 497600), (128, 404300), (130, 398080), (160, 323440), (200, 258752), (208, 248800), (256, 202150), (260, 199040), (311, 166400), (320, 161720), (325, 159232), (400, 129376), (416, 124400), (512, 101075), (520, 99520), (622, 83200), (640, 80860), (650, 79616), (800, 64688), (832, 62200), (1040, 49760), (1244, 41600), (1280, 40430), (1300, 39808), (1555, 33280), (1600, 32344), (1664, 31100), (2080, 24880), (2488, 20800), (2560, 20215), (2600, 19904), (3110, 16640), (3200, 16172), (3328, 15550), (4043, 12800), (4160, 12440), (4976, 10400), (5200, 9952), (6220, 8320), (6400, 8086), (6656, 7775)]