26857480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 68185800

約数和(自身を除く): 41328320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 137, 145, 169, 232, 260, 274, 290, 338, 377, 520, 548, 580, 676, 685, 754, 845, 1096, 1160, 1352, 1370, 1508, 1690, 1781, 1885, 2740, 3016, 3380, 3562, 3770, 3973, 4901, 5480, 6760, 7124, 7540, 7946, 8905, 9802, 14248, 15080, 15892, 17810, 19604, 19865, 23153, 24505, 31784, 35620, 39208, 39730, 46306, 49010, 51649, 71240, 79460, 92612, 98020, 103298, 115765, 158920, 185224, 196040, 206596, 231530, 258245, 413192, 463060, 516490, 671437, 926120, 1032980, 1342874, 2065960, 2685748, 3357185, 5371496, 6714370, 13428740, 26857480]

約数ペア:

[(1, 26857480), (2, 13428740), (4, 6714370), (5, 5371496), (8, 3357185), (10, 2685748), (13, 2065960), (20, 1342874), (26, 1032980), (29, 926120), (40, 671437), (52, 516490), (58, 463060), (65, 413192), (104, 258245), (116, 231530), (130, 206596), (137, 196040), (145, 185224), (169, 158920), (232, 115765), (260, 103298), (274, 98020), (290, 92612), (338, 79460), (377, 71240), (520, 51649), (548, 49010), (580, 46306), (676, 39730), (685, 39208), (754, 35620), (845, 31784), (1096, 24505), (1160, 23153), (1352, 19865), (1370, 19604), (1508, 17810), (1690, 15892), (1781, 15080), (1885, 14248), (2740, 9802), (3016, 8905), (3380, 7946), (3562, 7540), (3770, 7124), (3973, 6760), (4901, 5480)]