12763280

素因数分解:

$2^4\times 5^1\times {\mathrm{159541}}^1$

素因数の和:159554

約数の個数: 20

約数和(自身を含む): 29674812

約数和(自身を除く): 16911532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159541, 319082, 638164, 797705, 1276328, 1595410, 2552656, 3190820, 6381640, 12763280]

約数ペア:

[(1, 12763280), (2, 6381640), (4, 3190820), (5, 2552656), (8, 1595410), (10, 1276328), (16, 797705), (20, 638164), (40, 319082), (80, 159541)]