620192080

素因数分解:

$2^4\times 5^1\times {\mathrm{7752401}}^1$

素因数の和:7752414

約数の個数: 20

約数和(自身を含む): 1441946772

約数和(自身を除く): 821754692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7752401, 15504802, 31009604, 38762005, 62019208, 77524010, 124038416, 155048020, 310096040, 620192080]

約数ペア:

[(1, 620192080), (2, 310096040), (4, 155048020), (5, 124038416), (8, 77524010), (10, 62019208), (16, 38762005), (20, 31009604), (40, 15504802), (80, 7752401)]