31875880

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4129}}^1$

素因数の和:4333

約数の個数: 32

約数和(自身を含む): 72109800

約数和(自身を除く): 40233920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 4129, 7720, 8258, 16516, 20645, 33032, 41290, 82580, 165160, 796897, 1593794, 3187588, 3984485, 6375176, 7968970, 15937940, 31875880]

約数ペア:

[(1, 31875880), (2, 15937940), (4, 7968970), (5, 6375176), (8, 3984485), (10, 3187588), (20, 1593794), (40, 796897), (193, 165160), (386, 82580), (772, 41290), (965, 33032), (1544, 20645), (1930, 16516), (3860, 8258), (4129, 7720)]