13723280

素因数分解:

$2^4\times 5^1\times {\mathrm{171541}}^1$

素因数の和:171554

約数の個数: 20

約数和(自身を含む): 31906812

約数和(自身を除く): 18183532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 171541, 343082, 686164, 857705, 1372328, 1715410, 2744656, 3430820, 6861640, 13723280]

約数ペア:

[(1, 13723280), (2, 6861640), (4, 3430820), (5, 2744656), (8, 1715410), (10, 1372328), (16, 857705), (20, 686164), (40, 343082), (80, 171541)]