30878740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37657}}^1$

素因数の和:37707

約数の個数: 24

約数和(自身を含む): 66428712

約数和(自身を除く): 35549972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 37657, 75314, 150628, 188285, 376570, 753140, 1543937, 3087874, 6175748, 7719685, 15439370, 30878740]

約数ペア:

[(1, 30878740), (2, 15439370), (4, 7719685), (5, 6175748), (10, 3087874), (20, 1543937), (41, 753140), (82, 376570), (164, 188285), (205, 150628), (410, 75314), (820, 37657)]