80211824

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 201522816

約数和(自身を除く): 121310992

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 71, 77, 88, 98, 112, 131, 142, 154, 176, 196, 262, 284, 308, 392, 497, 524, 539, 568, 616, 781, 784, 917, 994, 1048, 1078, 1136, 1232, 1441, 1562, 1834, 1988, 2096, 2156, 2882, 3124, 3479, 3668, 3976, 4312, 5467, 5764, 6248, 6419, 6958, 7336, 7952, 8624, 9301, 10087, 10934, 11528, 12496, 12838, 13916, 14672, 18602, 20174, 21868, 23056, 25676, 27832, 37204, 38269, 40348, 43736, 51352, 55664, 65107, 70609, 74408, 76538, 80696, 87472, 102311, 102704, 130214, 141218, 148816, 153076, 161392, 204622, 260428, 282436, 306152, 409244, 455749, 520856, 564872, 612304, 716177, 818488, 911498, 1041712, 1129744, 1432354, 1636976, 1822996, 2864708, 3645992, 5013239, 5729416, 7291984, 10026478, 11458832, 20052956, 40105912, 80211824]

約数ペア:

[(1, 80211824), (2, 40105912), (4, 20052956), (7, 11458832), (8, 10026478), (11, 7291984), (14, 5729416), (16, 5013239), (22, 3645992), (28, 2864708), (44, 1822996), (49, 1636976), (56, 1432354), (71, 1129744), (77, 1041712), (88, 911498), (98, 818488), (112, 716177), (131, 612304), (142, 564872), (154, 520856), (176, 455749), (196, 409244), (262, 306152), (284, 282436), (308, 260428), (392, 204622), (497, 161392), (524, 153076), (539, 148816), (568, 141218), (616, 130214), (781, 102704), (784, 102311), (917, 87472), (994, 80696), (1048, 76538), (1078, 74408), (1136, 70609), (1232, 65107), (1441, 55664), (1562, 51352), (1834, 43736), (1988, 40348), (2096, 38269), (2156, 37204), (2882, 27832), (3124, 25676), (3479, 23056), (3668, 21868), (3976, 20174), (4312, 18602), (5467, 14672), (5764, 13916), (6248, 12838), (6419, 12496), (6958, 11528), (7336, 10934), (7952, 10087), (8624, 9301)]