31860440

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4127}}^1$

素因数の和:4331

約数の個数: 32

約数和(自身を含む): 72074880

約数和(自身を除く): 40214440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 4127, 7720, 8254, 16508, 20635, 33016, 41270, 82540, 165080, 796511, 1593022, 3186044, 3982555, 6372088, 7965110, 15930220, 31860440]

約数ペア:

[(1, 31860440), (2, 15930220), (4, 7965110), (5, 6372088), (8, 3982555), (10, 3186044), (20, 1593022), (40, 796511), (193, 165080), (386, 82540), (772, 41270), (965, 33016), (1544, 20635), (1930, 16508), (3860, 8254), (4127, 7720)]