68660720

素因数分解:

$2^4\times 5^1\times {\mathrm{858259}}^1$

素因数の和:858272

約数の個数: 20

約数和(自身を含む): 159636360

約数和(自身を除く): 90975640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 858259, 1716518, 3433036, 4291295, 6866072, 8582590, 13732144, 17165180, 34330360, 68660720]

約数ペア:

[(1, 68660720), (2, 34330360), (4, 17165180), (5, 13732144), (8, 8582590), (10, 6866072), (16, 4291295), (20, 3433036), (40, 1716518), (80, 858259)]