13959280

素因数分解:

$2^4\times 5^1\times {\mathrm{174491}}^1$

素因数の和:174504

約数の個数: 20

約数和(自身を含む): 32455512

約数和(自身を除く): 18496232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 174491, 348982, 697964, 872455, 1395928, 1744910, 2791856, 3489820, 6979640, 13959280]

約数ペア:

[(1, 13959280), (2, 6979640), (4, 3489820), (5, 2791856), (8, 1744910), (10, 1395928), (16, 872455), (20, 697964), (40, 348982), (80, 174491)]