What is the largest number that is a multiple of 4 and a factor of 108?
108 [OP_LIST_GET_DIVISOR] 4 [OP_LIST_DIVISIBLE] 1 [OP_LIST_MAX]
var_a = 108
list_a = []
num_sqrt = int(math.sqrt(var_a))
for i in range(1, num_sqrt+1):
    if var_a % i == 0:
        list_a.append(i)
        list_a.append(int(var_a/i))
list_a = sorted(set(list_a))
var_b = 4
list_b = []
var_b = int(var_b)
for i in list_a:
    i = int(i)
    if i % var_b == 0:
        list_b.append(i)
var_c = 1
list_c=list_b.copy()
list_c.sort()
var_d = list_c[-var_c]
print(int(var_d))