84740720

素因数分解:

$2^4\times 5^1\times {\mathrm{1059259}}^1$

素因数の和:1059272

約数の個数: 20

約数和(自身を含む): 197022360

約数和(自身を除く): 112281640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1059259, 2118518, 4237036, 5296295, 8474072, 10592590, 16948144, 21185180, 42370360, 84740720]

約数ペア:

[(1, 84740720), (2, 42370360), (4, 21185180), (5, 16948144), (8, 10592590), (10, 8474072), (16, 5296295), (20, 4237036), (40, 2118518), (80, 1059259)]