80001728

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 84

約数和(自身を含む): 176982120

約数和(自身を除く): 96980392

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 136, 139, 184, 272, 278, 368, 391, 529, 544, 556, 736, 782, 1058, 1088, 1112, 1472, 1564, 2116, 2224, 2363, 3128, 3197, 4232, 4448, 4726, 6256, 6394, 8464, 8896, 8993, 9452, 12512, 12788, 16928, 17986, 18904, 25024, 25576, 33856, 35972, 37808, 51152, 54349, 71944, 73531, 75616, 102304, 108698, 143888, 147062, 151232, 204608, 217396, 287776, 294124, 434792, 575552, 588248, 869584, 1176496, 1250027, 1739168, 2352992, 2500054, 3478336, 4705984, 5000108, 10000216, 20000432, 40000864, 80001728]

約数ペア:

[(1, 80001728), (2, 40000864), (4, 20000432), (8, 10000216), (16, 5000108), (17, 4705984), (23, 3478336), (32, 2500054), (34, 2352992), (46, 1739168), (64, 1250027), (68, 1176496), (92, 869584), (136, 588248), (139, 575552), (184, 434792), (272, 294124), (278, 287776), (368, 217396), (391, 204608), (529, 151232), (544, 147062), (556, 143888), (736, 108698), (782, 102304), (1058, 75616), (1088, 73531), (1112, 71944), (1472, 54349), (1564, 51152), (2116, 37808), (2224, 35972), (2363, 33856), (3128, 25576), (3197, 25024), (4232, 18904), (4448, 17986), (4726, 16928), (6256, 12788), (6394, 12512), (8464, 9452), (8896, 8993)]