138587480

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{27281}}^1$

素因数の和:27419

約数の個数: 32

約数和(自身を含む): 314288640

約数和(自身を除く): 175701160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 27281, 54562, 109124, 136405, 218248, 272810, 545620, 1091240, 3464687, 6929374, 13858748, 17323435, 27717496, 34646870, 69293740, 138587480]

約数ペア:

[(1, 138587480), (2, 69293740), (4, 34646870), (5, 27717496), (8, 17323435), (10, 13858748), (20, 6929374), (40, 3464687), (127, 1091240), (254, 545620), (508, 272810), (635, 218248), (1016, 136405), (1270, 109124), (2540, 54562), (5080, 27281)]