51541264

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{78569}}^1$

素因数の和:78618

約数の個数: 20

約数和(自身を含む): 102298140

約数和(自身を除く): 50756876

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 78569, 157138, 314276, 628552, 1257104, 3221329, 6442658, 12885316, 25770632, 51541264]

約数ペア:

[(1, 51541264), (2, 25770632), (4, 12885316), (8, 6442658), (16, 3221329), (41, 1257104), (82, 628552), (164, 314276), (328, 157138), (656, 78569)]