170740720

素因数分解:

$2^4\times 5^1\times {\mathrm{2134259}}^1$

素因数の和:2134272

約数の個数: 20

約数和(自身を含む): 396972360

約数和(自身を除く): 226231640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2134259, 4268518, 8537036, 10671295, 17074072, 21342590, 34148144, 42685180, 85370360, 170740720]

約数ペア:

[(1, 170740720), (2, 85370360), (4, 42685180), (5, 34148144), (8, 21342590), (10, 17074072), (16, 10671295), (20, 8537036), (40, 4268518), (80, 2134259)]