2016179920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{6337}}^1$

素因数の和:6488

約数の個数: 80

約数和(自身を含む): 4852220688

約数和(自身を除く): 2836040768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 97, 164, 194, 205, 328, 388, 410, 485, 656, 776, 820, 970, 1552, 1640, 1940, 3280, 3880, 3977, 6337, 7760, 7954, 12674, 15908, 19885, 25348, 31685, 31816, 39770, 50696, 63370, 63632, 79540, 101392, 126740, 159080, 253480, 259817, 318160, 506960, 519634, 614689, 1039268, 1229378, 1299085, 2078536, 2458756, 2598170, 3073445, 4157072, 4917512, 5196340, 6146890, 9835024, 10392680, 12293780, 20785360, 24587560, 25202249, 49175120, 50404498, 100808996, 126011245, 201617992, 252022490, 403235984, 504044980, 1008089960, 2016179920]

約数ペア:

[(1, 2016179920), (2, 1008089960), (4, 504044980), (5, 403235984), (8, 252022490), (10, 201617992), (16, 126011245), (20, 100808996), (40, 50404498), (41, 49175120), (80, 25202249), (82, 24587560), (97, 20785360), (164, 12293780), (194, 10392680), (205, 9835024), (328, 6146890), (388, 5196340), (410, 4917512), (485, 4157072), (656, 3073445), (776, 2598170), (820, 2458756), (970, 2078536), (1552, 1299085), (1640, 1229378), (1940, 1039268), (3280, 614689), (3880, 519634), (3977, 506960), (6337, 318160), (7760, 259817), (7954, 253480), (12674, 159080), (15908, 126740), (19885, 101392), (25348, 79540), (31685, 63632), (31816, 63370), (39770, 50696)]