22312240

素因数分解:

$2^4\times 5^1\times {\mathrm{278903}}^1$

素因数の和:278916

約数の個数: 20

約数和(自身を含む): 51876144

約数和(自身を除く): 29563904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278903, 557806, 1115612, 1394515, 2231224, 2789030, 4462448, 5578060, 11156120, 22312240]

約数ペア:

[(1, 22312240), (2, 11156120), (4, 5578060), (5, 4462448), (8, 2789030), (10, 2231224), (16, 1394515), (20, 1115612), (40, 557806), (80, 278903)]