import sys
input = sys.stdin.readline
N = int(input().rstrip('\n'))
A = list(map(int, input().rstrip('\n').split()))
def GCD(x,y):
    if x>y:
        x,y=y,x
    Lx=len(bin(x))
    Ly=len(bin(y))
    if x!=0:
        return GCD(x,y^(x<<(Ly-Lx)))
    else:
        return y
def usable(x,g):
    Lx=len(bin(x))
    Lg=len(bin(g))
    while Lx>=Lg and x!=0:
        x^=g<<(Lx-Lg)
        Lx=len(bin(x))
    return x==0



S=sum(A)
M=max(A)
mi=[0]
for i in range(M):
  mi.append(0)
div = [[]]*(M+1)
for i in range(1,M+1):
    j=i
    while j<=M:
        div[j].append(i)
        j+=i


G=0
for x in A:
    G=GCD(G,x)
    j=1
    while j*j<=x:
        if x%j==0:
            mi[j]+=x-x//j
            if j*j!=x:
                mi[x//j]+=x-j
        j+=1
    
X=S
for i in range(2,M+1):
    if(usable(i,G)):
        X=min(X,S-mi[i])
print(X)