20162856160

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{211}}^1\times {\mathrm{1129}}^1$

素因数の和:1401

約数の個数: 144

約数和(自身を含む): 50076185040

約数和(自身を除く): 29913328880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 211, 230, 368, 422, 460, 529, 736, 844, 920, 1055, 1058, 1129, 1688, 1840, 2110, 2116, 2258, 2645, 3376, 3680, 4220, 4232, 4516, 4853, 5290, 5645, 6752, 8440, 8464, 9032, 9706, 10580, 11290, 16880, 16928, 18064, 19412, 21160, 22580, 24265, 25967, 33760, 36128, 38824, 42320, 45160, 48530, 51934, 77648, 84640, 90320, 97060, 103868, 111619, 129835, 155296, 180640, 194120, 207736, 223238, 238219, 259670, 388240, 415472, 446476, 476438, 519340, 558095, 597241, 776480, 830944, 892952, 952876, 1038680, 1116190, 1191095, 1194482, 1785904, 1905752, 2077360, 2232380, 2382190, 2388964, 2986205, 3571808, 3811504, 4154720, 4464760, 4764380, 4777928, 5479037, 5972410, 7623008, 8929520, 9528760, 9555856, 10958074, 11944820, 17859040, 19057520, 19111712, 21916148, 23889640, 27395185, 38115040, 43832296, 47779280, 54790370, 87664592, 95558560, 109580740, 126017851, 175329184, 219161480, 252035702, 438322960, 504071404, 630089255, 876645920, 1008142808, 1260178510, 2016285616, 2520357020, 4032571232, 5040714040, 10081428080, 20162856160]

約数ペア:

[(1, 20162856160), (2, 10081428080), (4, 5040714040), (5, 4032571232), (8, 2520357020), (10, 2016285616), (16, 1260178510), (20, 1008142808), (23, 876645920), (32, 630089255), (40, 504071404), (46, 438322960), (80, 252035702), (92, 219161480), (115, 175329184), (160, 126017851), (184, 109580740), (211, 95558560), (230, 87664592), (368, 54790370), (422, 47779280), (460, 43832296), (529, 38115040), (736, 27395185), (844, 23889640), (920, 21916148), (1055, 19111712), (1058, 19057520), (1129, 17859040), (1688, 11944820), (1840, 10958074), (2110, 9555856), (2116, 9528760), (2258, 8929520), (2645, 7623008), (3376, 5972410), (3680, 5479037), (4220, 4777928), (4232, 4764380), (4516, 4464760), (4853, 4154720), (5290, 3811504), (5645, 3571808), (6752, 2986205), (8440, 2388964), (8464, 2382190), (9032, 2232380), (9706, 2077360), (10580, 1905752), (11290, 1785904), (16880, 1194482), (16928, 1191095), (18064, 1116190), (19412, 1038680), (21160, 952876), (22580, 892952), (24265, 830944), (25967, 776480), (33760, 597241), (36128, 558095), (38824, 519340), (42320, 476438), (45160, 446476), (48530, 415472), (51934, 388240), (77648, 259670), (84640, 238219), (90320, 223238), (97060, 207736), (103868, 194120), (111619, 180640), (129835, 155296)]