30981640

素因数分解:

$2^3\times 5^1\times {\mathrm{774541}}^1$

素因数の和:774552

約数の個数: 16

約数和(自身を含む): 69708780

約数和(自身を除く): 38727140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 774541, 1549082, 3098164, 3872705, 6196328, 7745410, 15490820, 30981640]

約数ペア:

[(1, 30981640), (2, 15490820), (4, 7745410), (5, 6196328), (8, 3872705), (10, 3098164), (20, 1549082), (40, 774541)]