171402320

素因数分解:

$2^4\times 5^1\times {\mathrm{2142529}}^1$

素因数の和:2142542

約数の個数: 20

約数和(自身を含む): 398510580

約数和(自身を除く): 227108260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2142529, 4285058, 8570116, 10712645, 17140232, 21425290, 34280464, 42850580, 85701160, 171402320]

約数ペア:

[(1, 171402320), (2, 85701160), (4, 42850580), (5, 34280464), (8, 21425290), (10, 17140232), (16, 10712645), (20, 8570116), (40, 4285058), (80, 2142529)]