13921520

素因数分解:

$2^4\times 5^1\times {\mathrm{174019}}^1$

素因数の和:174032

約数の個数: 20

約数和(自身を含む): 32367720

約数和(自身を除く): 18446200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 174019, 348038, 696076, 870095, 1392152, 1740190, 2784304, 3480380, 6960760, 13921520]

約数ペア:

[(1, 13921520), (2, 6960760), (4, 3480380), (5, 2784304), (8, 1740190), (10, 1392152), (16, 870095), (20, 696076), (40, 348038), (80, 174019)]