30255880

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1723}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 68270400

約数和(自身を除く): 38014520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1723, 1756, 2195, 3446, 3512, 4390, 6892, 8615, 8780, 13784, 17230, 17560, 34460, 68920, 756397, 1512794, 3025588, 3781985, 6051176, 7563970, 15127940, 30255880]

約数ペア:

[(1, 30255880), (2, 15127940), (4, 7563970), (5, 6051176), (8, 3781985), (10, 3025588), (20, 1512794), (40, 756397), (439, 68920), (878, 34460), (1723, 17560), (1756, 17230), (2195, 13784), (3446, 8780), (3512, 8615), (4390, 6892)]