66562840

素因数分解:

$2^3\times 5^1\times {\mathrm{1664071}}^1$

素因数の和:1664082

約数の個数: 16

約数和(自身を含む): 149766480

約数和(自身を除く): 83203640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1664071, 3328142, 6656284, 8320355, 13312568, 16640710, 33281420, 66562840]

約数ペア:

[(1, 66562840), (2, 33281420), (4, 16640710), (5, 13312568), (8, 8320355), (10, 6656284), (20, 3328142), (40, 1664071)]