51051380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{409}}^1$

素因数の和:576

約数の個数: 36

約数和(自身を含む): 108847620

約数和(自身を除く): 57796240

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 409, 790, 818, 1580, 1636, 2045, 4090, 6241, 8180, 12482, 24964, 31205, 32311, 62410, 64622, 124820, 129244, 161555, 323110, 646220, 2552569, 5105138, 10210276, 12762845, 25525690, 51051380]

約数ペア:

[(1, 51051380), (2, 25525690), (4, 12762845), (5, 10210276), (10, 5105138), (20, 2552569), (79, 646220), (158, 323110), (316, 161555), (395, 129244), (409, 124820), (790, 64622), (818, 62410), (1580, 32311), (1636, 31205), (2045, 24964), (4090, 12482), (6241, 8180)]