13999120

素因数分解:

$2^4\times 5^1\times {\mathrm{174989}}^1$

素因数の和:175002

約数の個数: 20

約数和(自身を含む): 32548140

約数和(自身を除く): 18549020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 174989, 349978, 699956, 874945, 1399912, 1749890, 2799824, 3499780, 6999560, 13999120]

約数ペア:

[(1, 13999120), (2, 6999560), (4, 3499780), (5, 2799824), (8, 1749890), (10, 1399912), (16, 874945), (20, 699956), (40, 349978), (80, 174989)]