226078520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131441}}^1$

素因数の和:131495

約数の個数: 32

約数和(自身を含む): 520510320

約数和(自身を除く): 294431800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 131441, 262882, 525764, 657205, 1051528, 1314410, 2628820, 5257640, 5651963, 11303926, 22607852, 28259815, 45215704, 56519630, 113039260, 226078520]

約数ペア:

[(1, 226078520), (2, 113039260), (4, 56519630), (5, 45215704), (8, 28259815), (10, 22607852), (20, 11303926), (40, 5651963), (43, 5257640), (86, 2628820), (172, 1314410), (215, 1051528), (344, 657205), (430, 525764), (860, 262882), (1720, 131441)]