2400920

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 5447520

約数和(自身を除く): 3046600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 311, 386, 622, 772, 965, 1244, 1544, 1555, 1930, 2488, 3110, 3860, 6220, 7720, 12440, 60023, 120046, 240092, 300115, 480184, 600230, 1200460, 2400920]

約数ペア:

[(1, 2400920), (2, 1200460), (4, 600230), (5, 480184), (8, 300115), (10, 240092), (20, 120046), (40, 60023), (193, 12440), (311, 7720), (386, 6220), (622, 3860), (772, 3110), (965, 2488), (1244, 1930), (1544, 1555)]