26660920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 45915080

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 59, 65, 79, 88, 104, 110, 118, 130, 143, 158, 220, 236, 260, 286, 295, 316, 395, 440, 472, 520, 572, 590, 632, 649, 715, 767, 790, 869, 1027, 1144, 1180, 1298, 1430, 1534, 1580, 1738, 2054, 2360, 2596, 2860, 3068, 3160, 3245, 3476, 3835, 4108, 4345, 4661, 5135, 5192, 5720, 6136, 6490, 6952, 7670, 8216, 8437, 8690, 9322, 10270, 11297, 12980, 15340, 16874, 17380, 18644, 20540, 22594, 23305, 25960, 30680, 33748, 34760, 37288, 41080, 42185, 45188, 46610, 51271, 56485, 60593, 67496, 84370, 90376, 93220, 102542, 112970, 121186, 168740, 186440, 205084, 225940, 242372, 256355, 302965, 337480, 410168, 451880, 484744, 512710, 605930, 666523, 1025420, 1211860, 1333046, 2050840, 2423720, 2666092, 3332615, 5332184, 6665230, 13330460, 26660920]

約数ペア:

[(1, 26660920), (2, 13330460), (4, 6665230), (5, 5332184), (8, 3332615), (10, 2666092), (11, 2423720), (13, 2050840), (20, 1333046), (22, 1211860), (26, 1025420), (40, 666523), (44, 605930), (52, 512710), (55, 484744), (59, 451880), (65, 410168), (79, 337480), (88, 302965), (104, 256355), (110, 242372), (118, 225940), (130, 205084), (143, 186440), (158, 168740), (220, 121186), (236, 112970), (260, 102542), (286, 93220), (295, 90376), (316, 84370), (395, 67496), (440, 60593), (472, 56485), (520, 51271), (572, 46610), (590, 45188), (632, 42185), (649, 41080), (715, 37288), (767, 34760), (790, 33748), (869, 30680), (1027, 25960), (1144, 23305), (1180, 22594), (1298, 20540), (1430, 18644), (1534, 17380), (1580, 16874), (1738, 15340), (2054, 12980), (2360, 11297), (2596, 10270), (2860, 9322), (3068, 8690), (3160, 8437), (3245, 8216), (3476, 7670), (3835, 6952), (4108, 6490), (4345, 6136), (4661, 5720), (5135, 5192)]