30872540

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4423}}^1$

素因数の和:4781

約数の個数: 24

約数和(自身を含む): 65032800

約数和(自身を除く): 34160260

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 4423, 6980, 8846, 17692, 22115, 44230, 88460, 1543627, 3087254, 6174508, 7718135, 15436270, 30872540]

約数ペア:

[(1, 30872540), (2, 15436270), (4, 7718135), (5, 6174508), (10, 3087254), (20, 1543627), (349, 88460), (698, 44230), (1396, 22115), (1745, 17692), (3490, 8846), (4423, 6980)]