8190920

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1061}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 18542520

約数和(自身を除く): 10351600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1061, 1544, 1930, 2122, 3860, 4244, 5305, 7720, 8488, 10610, 21220, 42440, 204773, 409546, 819092, 1023865, 1638184, 2047730, 4095460, 8190920]

約数ペア:

[(1, 8190920), (2, 4095460), (4, 2047730), (5, 1638184), (8, 1023865), (10, 819092), (20, 409546), (40, 204773), (193, 42440), (386, 21220), (772, 10610), (965, 8488), (1061, 7720), (1544, 5305), (1930, 4244), (2122, 3860)]