1811120

素因数分解:

$2^4\times 5^1\times {\mathrm{22639}}^1$

素因数の和:22652

約数の個数: 20

約数和(自身を含む): 4211040

約数和(自身を除く): 2399920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 22639, 45278, 90556, 113195, 181112, 226390, 362224, 452780, 905560, 1811120]

約数ペア:

[(1, 1811120), (2, 905560), (4, 452780), (5, 362224), (8, 226390), (10, 181112), (16, 113195), (20, 90556), (40, 45278), (80, 22639)]