11485520

素因数分解:

$2^4\times 5^1\times {\mathrm{143569}}^1$

素因数の和:143582

約数の個数: 20

約数和(自身を含む): 26704020

約数和(自身を除く): 15218500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 143569, 287138, 574276, 717845, 1148552, 1435690, 2297104, 2871380, 5742760, 11485520]

約数ペア:

[(1, 11485520), (2, 5742760), (4, 2871380), (5, 2297104), (8, 1435690), (10, 1148552), (16, 717845), (20, 574276), (40, 287138), (80, 143569)]