12995840

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 37086336

約数和(自身を除く): 24090496

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 71, 80, 88, 104, 110, 128, 130, 142, 143, 160, 176, 208, 220, 256, 260, 284, 286, 320, 352, 355, 416, 440, 520, 568, 572, 640, 704, 710, 715, 781, 832, 880, 923, 1040, 1136, 1144, 1280, 1408, 1420, 1430, 1562, 1664, 1760, 1846, 2080, 2272, 2288, 2816, 2840, 2860, 3124, 3328, 3520, 3692, 3905, 4160, 4544, 4576, 4615, 5680, 5720, 6248, 7040, 7384, 7810, 8320, 9088, 9152, 9230, 10153, 11360, 11440, 12496, 14080, 14768, 15620, 16640, 18176, 18304, 18460, 20306, 22720, 22880, 24992, 29536, 31240, 36608, 36920, 40612, 45440, 45760, 49984, 50765, 59072, 62480, 73840, 81224, 90880, 91520, 99968, 101530, 118144, 124960, 147680, 162448, 183040, 199936, 203060, 236288, 249920, 295360, 324896, 406120, 499840, 590720, 649792, 812240, 999680, 1181440, 1299584, 1624480, 2599168, 3248960, 6497920, 12995840]

約数ペア:

[(1, 12995840), (2, 6497920), (4, 3248960), (5, 2599168), (8, 1624480), (10, 1299584), (11, 1181440), (13, 999680), (16, 812240), (20, 649792), (22, 590720), (26, 499840), (32, 406120), (40, 324896), (44, 295360), (52, 249920), (55, 236288), (64, 203060), (65, 199936), (71, 183040), (80, 162448), (88, 147680), (104, 124960), (110, 118144), (128, 101530), (130, 99968), (142, 91520), (143, 90880), (160, 81224), (176, 73840), (208, 62480), (220, 59072), (256, 50765), (260, 49984), (284, 45760), (286, 45440), (320, 40612), (352, 36920), (355, 36608), (416, 31240), (440, 29536), (520, 24992), (568, 22880), (572, 22720), (640, 20306), (704, 18460), (710, 18304), (715, 18176), (781, 16640), (832, 15620), (880, 14768), (923, 14080), (1040, 12496), (1136, 11440), (1144, 11360), (1280, 10153), (1408, 9230), (1420, 9152), (1430, 9088), (1562, 8320), (1664, 7810), (1760, 7384), (1846, 7040), (2080, 6248), (2272, 5720), (2288, 5680), (2816, 4615), (2840, 4576), (2860, 4544), (3124, 4160), (3328, 3905), (3520, 3692)]