40289920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 107956800

約数和(自身を除く): 67666880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 64, 80, 88, 97, 110, 118, 128, 160, 176, 194, 220, 236, 295, 320, 352, 388, 440, 472, 485, 590, 640, 649, 704, 776, 880, 944, 970, 1067, 1180, 1298, 1408, 1552, 1760, 1888, 1940, 2134, 2360, 2596, 3104, 3245, 3520, 3776, 3880, 4268, 4720, 5192, 5335, 5723, 6208, 6490, 7040, 7552, 7760, 8536, 9440, 10384, 10670, 11446, 12416, 12980, 15520, 17072, 18880, 20768, 21340, 22892, 25960, 28615, 31040, 34144, 37760, 41536, 42680, 45784, 51920, 57230, 62080, 62953, 68288, 83072, 85360, 91568, 103840, 114460, 125906, 136576, 170720, 183136, 207680, 228920, 251812, 314765, 341440, 366272, 415360, 457840, 503624, 629530, 682880, 732544, 915680, 1007248, 1259060, 1831360, 2014496, 2518120, 3662720, 4028992, 5036240, 8057984, 10072480, 20144960, 40289920]

約数ペア:

[(1, 40289920), (2, 20144960), (4, 10072480), (5, 8057984), (8, 5036240), (10, 4028992), (11, 3662720), (16, 2518120), (20, 2014496), (22, 1831360), (32, 1259060), (40, 1007248), (44, 915680), (55, 732544), (59, 682880), (64, 629530), (80, 503624), (88, 457840), (97, 415360), (110, 366272), (118, 341440), (128, 314765), (160, 251812), (176, 228920), (194, 207680), (220, 183136), (236, 170720), (295, 136576), (320, 125906), (352, 114460), (388, 103840), (440, 91568), (472, 85360), (485, 83072), (590, 68288), (640, 62953), (649, 62080), (704, 57230), (776, 51920), (880, 45784), (944, 42680), (970, 41536), (1067, 37760), (1180, 34144), (1298, 31040), (1408, 28615), (1552, 25960), (1760, 22892), (1888, 21340), (1940, 20768), (2134, 18880), (2360, 17072), (2596, 15520), (3104, 12980), (3245, 12416), (3520, 11446), (3776, 10670), (3880, 10384), (4268, 9440), (4720, 8536), (5192, 7760), (5335, 7552), (5723, 7040), (6208, 6490)]