13991440

素因数分解:

$2^4\times 5^1\times {\mathrm{174893}}^1$

素因数の和:174906

約数の個数: 20

約数和(自身を含む): 32530284

約数和(自身を除く): 18538844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 174893, 349786, 699572, 874465, 1399144, 1748930, 2798288, 3497860, 6995720, 13991440]

約数ペア:

[(1, 13991440), (2, 6995720), (4, 3497860), (5, 2798288), (8, 1748930), (10, 1399144), (16, 874465), (20, 699572), (40, 349786), (80, 174893)]