82105760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4241}}^1$

素因数の和:4278

約数の個数: 72

約数和(自身を含む): 213262308

約数和(自身を除く): 131156548

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4241, 4840, 8482, 9680, 16964, 19360, 21205, 33928, 42410, 46651, 67856, 84820, 93302, 135712, 169640, 186604, 233255, 339280, 373208, 466510, 513161, 678560, 746416, 933020, 1026322, 1492832, 1866040, 2052644, 2565805, 3732080, 4105288, 5131610, 7464160, 8210576, 10263220, 16421152, 20526440, 41052880, 82105760]

約数ペア:

[(1, 82105760), (2, 41052880), (4, 20526440), (5, 16421152), (8, 10263220), (10, 8210576), (11, 7464160), (16, 5131610), (20, 4105288), (22, 3732080), (32, 2565805), (40, 2052644), (44, 1866040), (55, 1492832), (80, 1026322), (88, 933020), (110, 746416), (121, 678560), (160, 513161), (176, 466510), (220, 373208), (242, 339280), (352, 233255), (440, 186604), (484, 169640), (605, 135712), (880, 93302), (968, 84820), (1210, 67856), (1760, 46651), (1936, 42410), (2420, 33928), (3872, 21205), (4241, 19360), (4840, 16964), (8482, 9680)]