1138297520

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{72227}}^1$

素因数の和:72437

約数の個数: 40

約数和(自身を含む): 2660012784

約数和(自身を除く): 1521715264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 72227, 144454, 288908, 361135, 577816, 722270, 1155632, 1444540, 2889080, 5778160, 14228719, 28457438, 56914876, 71143595, 113829752, 142287190, 227659504, 284574380, 569148760, 1138297520]

約数ペア:

[(1, 1138297520), (2, 569148760), (4, 284574380), (5, 227659504), (8, 142287190), (10, 113829752), (16, 71143595), (20, 56914876), (40, 28457438), (80, 14228719), (197, 5778160), (394, 2889080), (788, 1444540), (985, 1155632), (1576, 722270), (1970, 577816), (3152, 361135), (3940, 288908), (7880, 144454), (15760, 72227)]