51317072

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{31139}}^1$

素因数の和:31250

約数の個数: 20

約数和(自身を含む): 100395360

約数和(自身を除く): 49078288

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 31139, 62278, 124556, 249112, 498224, 3207317, 6414634, 12829268, 25658536, 51317072]

約数ペア:

[(1, 51317072), (2, 25658536), (4, 12829268), (8, 6414634), (16, 3207317), (103, 498224), (206, 249112), (412, 124556), (824, 62278), (1648, 31139)]