12216040

素因数分解:

$2^3\times 5^1\times {\mathrm{305401}}^1$

素因数の和:305412

約数の個数: 16

約数和(自身を含む): 27486180

約数和(自身を除く): 15270140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 305401, 610802, 1221604, 1527005, 2443208, 3054010, 6108020, 12216040]

約数ペア:

[(1, 12216040), (2, 6108020), (4, 3054010), (5, 2443208), (8, 1527005), (10, 1221604), (20, 610802), (40, 305401)]