40000128

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:694

約数の個数: 128

約数和(自身を含む): 126904320

約数和(自身を除く): 86904192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 128, 138, 161, 168, 184, 192, 224, 276, 322, 336, 368, 384, 448, 483, 552, 644, 647, 672, 736, 896, 966, 1104, 1288, 1294, 1344, 1472, 1932, 1941, 2208, 2576, 2588, 2688, 2944, 3864, 3882, 4416, 4529, 5152, 5176, 7728, 7764, 8832, 9058, 10304, 10352, 13587, 14881, 15456, 15528, 18116, 20608, 20704, 27174, 29762, 30912, 31056, 36232, 41408, 44643, 54348, 59524, 61824, 62112, 72464, 82816, 89286, 104167, 108696, 119048, 124224, 144928, 178572, 208334, 217392, 238096, 248448, 289856, 312501, 357144, 416668, 434784, 476192, 579712, 625002, 714288, 833336, 869568, 952384, 1250004, 1428576, 1666672, 1739136, 1904768, 2500008, 2857152, 3333344, 5000016, 5714304, 6666688, 10000032, 13333376, 20000064, 40000128]

約数ペア:

[(1, 40000128), (2, 20000064), (3, 13333376), (4, 10000032), (6, 6666688), (7, 5714304), (8, 5000016), (12, 3333344), (14, 2857152), (16, 2500008), (21, 1904768), (23, 1739136), (24, 1666672), (28, 1428576), (32, 1250004), (42, 952384), (46, 869568), (48, 833336), (56, 714288), (64, 625002), (69, 579712), (84, 476192), (92, 434784), (96, 416668), (112, 357144), (128, 312501), (138, 289856), (161, 248448), (168, 238096), (184, 217392), (192, 208334), (224, 178572), (276, 144928), (322, 124224), (336, 119048), (368, 108696), (384, 104167), (448, 89286), (483, 82816), (552, 72464), (644, 62112), (647, 61824), (672, 59524), (736, 54348), (896, 44643), (966, 41408), (1104, 36232), (1288, 31056), (1294, 30912), (1344, 29762), (1472, 27174), (1932, 20704), (1941, 20608), (2208, 18116), (2576, 15528), (2588, 15456), (2688, 14881), (2944, 13587), (3864, 10352), (3882, 10304), (4416, 9058), (4529, 8832), (5152, 7764), (5176, 7728)]