13791920

素因数分解:

$2^4\times 5^1\times {\mathrm{172399}}^1$

素因数の和:172412

約数の個数: 20

約数和(自身を含む): 32066400

約数和(自身を除く): 18274480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 172399, 344798, 689596, 861995, 1379192, 1723990, 2758384, 3447980, 6895960, 13791920]

約数ペア:

[(1, 13791920), (2, 6895960), (4, 3447980), (5, 2758384), (8, 1723990), (10, 1379192), (16, 861995), (20, 689596), (40, 344798), (80, 172399)]