8672080

素因数分解:

$2^4\times 5^1\times {\mathrm{108401}}^1$

素因数の和:108414

約数の個数: 20

約数和(自身を含む): 20162772

約数和(自身を除く): 11490692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 108401, 216802, 433604, 542005, 867208, 1084010, 1734416, 2168020, 4336040, 8672080]

約数ペア:

[(1, 8672080), (2, 4336040), (4, 2168020), (5, 1734416), (8, 1084010), (10, 867208), (16, 542005), (20, 433604), (40, 216802), (80, 108401)]