15219920

素因数分解:

$2^4\times 5^1\times {\mathrm{190249}}^1$

素因数の和:190262

約数の個数: 20

約数和(自身を含む): 35386500

約数和(自身を除く): 20166580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190249, 380498, 760996, 951245, 1521992, 1902490, 3043984, 3804980, 7609960, 15219920]

約数ペア:

[(1, 15219920), (2, 7609960), (4, 3804980), (5, 3043984), (8, 1902490), (10, 1521992), (16, 951245), (20, 760996), (40, 380498), (80, 190249)]