8416040

素因数分解:

$2^3\times 5^1\times {\mathrm{210401}}^1$

素因数の和:210412

約数の個数: 16

約数和(自身を含む): 18936180

約数和(自身を除く): 10520140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 210401, 420802, 841604, 1052005, 1683208, 2104010, 4208020, 8416040]

約数ペア:

[(1, 8416040), (2, 4208020), (4, 2104010), (5, 1683208), (8, 1052005), (10, 841604), (20, 420802), (40, 210401)]