#define _USE_MATH_DEFINES #include #include #include #include #include #include"math.h" #include #include #define ll long long #define DOU(s) atof(s.c_str()) #define LL(s) atoll(s.c_str()) #define STR(n) to_string(n) #define rep(i,a,b) for(int i=a;i=a;i--) #define ALL(a) a.begin(),a.end() #define fion(n) fixed<> n; set a; for (int i = 1; i*i <= n; i++) { if (n%i == 0) { a.insert(STR(i) + STR(n / i)); a.insert(STR(n / i) + STR(i)); } } cout << a.size() << kig; END