9927920

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{643}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 23238096

約数和(自身を除く): 13310176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 643, 772, 965, 1286, 1544, 1930, 2572, 3088, 3215, 3860, 5144, 6430, 7720, 10288, 12860, 15440, 25720, 51440, 124099, 248198, 496396, 620495, 992792, 1240990, 1985584, 2481980, 4963960, 9927920]

約数ペア:

[(1, 9927920), (2, 4963960), (4, 2481980), (5, 1985584), (8, 1240990), (10, 992792), (16, 620495), (20, 496396), (40, 248198), (80, 124099), (193, 51440), (386, 25720), (643, 15440), (772, 12860), (965, 10288), (1286, 7720), (1544, 6430), (1930, 5144), (2572, 3860), (3088, 3215)]