8720480

素因数分解:

$2^5\times 5^1\times {\mathrm{54503}}^1$

素因数の和:54518

約数の個数: 24

約数和(自身を含む): 20602512

約数和(自身を除く): 11882032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 54503, 109006, 218012, 272515, 436024, 545030, 872048, 1090060, 1744096, 2180120, 4360240, 8720480]

約数ペア:

[(1, 8720480), (2, 4360240), (4, 2180120), (5, 1744096), (8, 1090060), (10, 872048), (16, 545030), (20, 436024), (32, 272515), (40, 218012), (80, 109006), (160, 54503)]