25875206656

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{90407}}^1$

素因数の和:90481

約数の個数: 80

約数和(自身を含む): 56972228544

約数和(自身を除く): 31097021888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 256, 344, 416, 512, 559, 688, 832, 1118, 1376, 1664, 2236, 2752, 3328, 4472, 5504, 6656, 8944, 11008, 17888, 22016, 35776, 71552, 90407, 143104, 180814, 286208, 361628, 723256, 1175291, 1446512, 2350582, 2893024, 3887501, 4701164, 5786048, 7775002, 9402328, 11572096, 15550004, 18804656, 23144192, 31100008, 37609312, 46288384, 50537513, 62200016, 75218624, 101075026, 124400032, 150437248, 202150052, 248800064, 300874496, 404300104, 497600128, 601748992, 808600208, 995200256, 1617200416, 1990400512, 3234400832, 6468801664, 12937603328, 25875206656]

約数ペア:

[(1, 25875206656), (2, 12937603328), (4, 6468801664), (8, 3234400832), (13, 1990400512), (16, 1617200416), (26, 995200256), (32, 808600208), (43, 601748992), (52, 497600128), (64, 404300104), (86, 300874496), (104, 248800064), (128, 202150052), (172, 150437248), (208, 124400032), (256, 101075026), (344, 75218624), (416, 62200016), (512, 50537513), (559, 46288384), (688, 37609312), (832, 31100008), (1118, 23144192), (1376, 18804656), (1664, 15550004), (2236, 11572096), (2752, 9402328), (3328, 7775002), (4472, 5786048), (5504, 4701164), (6656, 3887501), (8944, 2893024), (11008, 2350582), (17888, 1446512), (22016, 1175291), (35776, 723256), (71552, 361628), (90407, 286208), (143104, 180814)]