12480880

素因数分解:

$2^4\times 5^1\times {\mathrm{156011}}^1$

素因数の和:156024

約数の個数: 20

約数和(自身を含む): 29018232

約数和(自身を除く): 16537352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156011, 312022, 624044, 780055, 1248088, 1560110, 2496176, 3120220, 6240440, 12480880]

約数ペア:

[(1, 12480880), (2, 6240440), (4, 3120220), (5, 2496176), (8, 1560110), (10, 1248088), (16, 780055), (20, 624044), (40, 312022), (80, 156011)]