Question

Determinati nr. divizori al lui 1980. ! Ajutor"! :-)

Answer 1

1*1980
2*990
3*660
4*495
5*396
6*330
9*220          divizorii sunt{1,1980,2,990,3,660,4,495,5,396,6,330,9,220}

Answer 2

1980|2
 990 |2
 495 |5
 99   |3
 33   |3
 11   |11
   1

DECI 1980=2²×3²×5×11

Divizorii numarului 1980 sunt :
{1,2,3,4,5,6,9,10,11,12,15,18,20,22,30,33,36,44,45,55,60,66,90,99,110,132,165,180,198,220,330,396,495,660,990,1980}