51288280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{27281}}^1$

素因数の和:27339

約数の個数: 32

約数和(自身を含む): 117858240

約数和(自身を除く): 66569960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 27281, 54562, 109124, 136405, 218248, 272810, 545620, 1091240, 1282207, 2564414, 5128828, 6411035, 10257656, 12822070, 25644140, 51288280]

約数ペア:

[(1, 51288280), (2, 25644140), (4, 12822070), (5, 10257656), (8, 6411035), (10, 5128828), (20, 2564414), (40, 1282207), (47, 1091240), (94, 545620), (188, 272810), (235, 218248), (376, 136405), (470, 109124), (940, 54562), (1880, 27281)]