709472080

素因数分解:

$2^4\times 5^1\times {\mathrm{8868401}}^1$

素因数の和:8868414

約数の個数: 20

約数和(自身を含む): 1649522772

約数和(自身を除く): 940050692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8868401, 17736802, 35473604, 44342005, 70947208, 88684010, 141894416, 177368020, 354736040, 709472080]

約数ペア:

[(1, 709472080), (2, 354736040), (4, 177368020), (5, 141894416), (8, 88684010), (10, 70947208), (16, 44342005), (20, 35473604), (40, 17736802), (80, 8868401)]