82601720

素因数分解:

$2^3\times 5^1\times {\mathrm{2065043}}^1$

素因数の和:2065054

約数の個数: 16

約数和(自身を含む): 185853960

約数和(自身を除く): 103252240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2065043, 4130086, 8260172, 10325215, 16520344, 20650430, 41300860, 82601720]

約数ペア:

[(1, 82601720), (2, 41300860), (4, 20650430), (5, 16520344), (8, 10325215), (10, 8260172), (20, 4130086), (40, 2065043)]