25991680

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 160

約数和(自身を含む): 74245248

約数和(自身を除く): 48253568

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, 512, 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, 2560, 2816, 2840, 2860, 3124, 3328, 3520, 3692, 3905, 4160, 4544, 4576, 4615, 5632, 5680, 5720, 6248, 6656, 7040, 7384, 7810, 8320, 9088, 9152, 9230, 10153, 11360, 11440, 12496, 14080, 14768, 15620, 16640, 18176, 18304, 18460, 20306, 22720, 22880, 24992, 28160, 29536, 31240, 33280, 36352, 36608, 36920, 40612, 45440, 45760, 49984, 50765, 59072, 62480, 73216, 73840, 81224, 90880, 91520, 99968, 101530, 118144, 124960, 147680, 162448, 181760, 183040, 199936, 203060, 236288, 249920, 295360, 324896, 366080, 399872, 406120, 472576, 499840, 590720, 649792, 812240, 999680, 1181440, 1299584, 1624480, 1999360, 2362880, 2599168, 3248960, 5198336, 6497920, 12995840, 25991680]

約数ペア:

[(1, 25991680), (2, 12995840), (4, 6497920), (5, 5198336), (8, 3248960), (10, 2599168), (11, 2362880), (13, 1999360), (16, 1624480), (20, 1299584), (22, 1181440), (26, 999680), (32, 812240), (40, 649792), (44, 590720), (52, 499840), (55, 472576), (64, 406120), (65, 399872), (71, 366080), (80, 324896), (88, 295360), (104, 249920), (110, 236288), (128, 203060), (130, 199936), (142, 183040), (143, 181760), (160, 162448), (176, 147680), (208, 124960), (220, 118144), (256, 101530), (260, 99968), (284, 91520), (286, 90880), (320, 81224), (352, 73840), (355, 73216), (416, 62480), (440, 59072), (512, 50765), (520, 49984), (568, 45760), (572, 45440), (640, 40612), (704, 36920), (710, 36608), (715, 36352), (781, 33280), (832, 31240), (880, 29536), (923, 28160), (1040, 24992), (1136, 22880), (1144, 22720), (1280, 20306), (1408, 18460), (1420, 18304), (1430, 18176), (1562, 16640), (1664, 15620), (1760, 14768), (1846, 14080), (2080, 12496), (2272, 11440), (2288, 11360), (2560, 10153), (2816, 9230), (2840, 9152), (2860, 9088), (3124, 8320), (3328, 7810), (3520, 7384), (3692, 7040), (3905, 6656), (4160, 6248), (4544, 5720), (4576, 5680), (4615, 5632)]