90989120

素因数分解:

$2^6\times 5^1\times {\mathrm{284341}}^1$

素因数の和:284358

約数の個数: 28

約数和(自身を含む): 216668604

約数和(自身を除く): 125679484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 284341, 568682, 1137364, 1421705, 2274728, 2843410, 4549456, 5686820, 9098912, 11373640, 18197824, 22747280, 45494560, 90989120]

約数ペア:

[(1, 90989120), (2, 45494560), (4, 22747280), (5, 18197824), (8, 11373640), (10, 9098912), (16, 5686820), (20, 4549456), (32, 2843410), (40, 2274728), (64, 1421705), (80, 1137364), (160, 568682), (320, 284341)]