81308128

素因数分解:

$2^5\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 185939712

約数和(自身を除く): 104631584

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 83, 88, 92, 121, 166, 176, 184, 242, 253, 332, 352, 368, 484, 506, 664, 736, 913, 968, 1012, 1328, 1331, 1826, 1909, 1936, 2024, 2656, 2662, 2783, 3652, 3818, 3872, 4048, 5324, 5566, 7304, 7636, 8096, 10043, 10648, 11132, 14608, 15272, 20086, 20999, 21296, 22264, 29216, 30544, 30613, 40172, 41998, 42592, 44528, 61088, 61226, 80344, 83996, 89056, 110473, 122452, 160688, 167992, 220946, 230989, 244904, 321376, 335984, 441892, 461978, 489808, 671968, 883784, 923956, 979616, 1767568, 1847912, 2540879, 3535136, 3695824, 5081758, 7391648, 10163516, 20327032, 40654064, 81308128]

約数ペア:

[(1, 81308128), (2, 40654064), (4, 20327032), (8, 10163516), (11, 7391648), (16, 5081758), (22, 3695824), (23, 3535136), (32, 2540879), (44, 1847912), (46, 1767568), (83, 979616), (88, 923956), (92, 883784), (121, 671968), (166, 489808), (176, 461978), (184, 441892), (242, 335984), (253, 321376), (332, 244904), (352, 230989), (368, 220946), (484, 167992), (506, 160688), (664, 122452), (736, 110473), (913, 89056), (968, 83996), (1012, 80344), (1328, 61226), (1331, 61088), (1826, 44528), (1909, 42592), (1936, 41998), (2024, 40172), (2656, 30613), (2662, 30544), (2783, 29216), (3652, 22264), (3818, 21296), (3872, 20999), (4048, 20086), (5324, 15272), (5566, 14608), (7304, 11132), (7636, 10648), (8096, 10043)]