168672080

素因数分解:

$2^4\times 5^1\times {\mathrm{2108401}}^1$

素因数の和:2108414

約数の個数: 20

約数和(自身を含む): 392162772

約数和(自身を除く): 223490692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2108401, 4216802, 8433604, 10542005, 16867208, 21084010, 33734416, 42168020, 84336040, 168672080]

約数ペア:

[(1, 168672080), (2, 84336040), (4, 42168020), (5, 33734416), (8, 21084010), (10, 16867208), (16, 10542005), (20, 8433604), (40, 4216802), (80, 2108401)]