1984040

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 4504680

約数和(自身を除く): 2520640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 257, 386, 514, 772, 965, 1028, 1285, 1544, 1930, 2056, 2570, 3860, 5140, 7720, 10280, 49601, 99202, 198404, 248005, 396808, 496010, 992020, 1984040]

約数ペア:

[(1, 1984040), (2, 992020), (4, 496010), (5, 396808), (8, 248005), (10, 198404), (20, 99202), (40, 49601), (193, 10280), (257, 7720), (386, 5140), (514, 3860), (772, 2570), (965, 2056), (1028, 1930), (1285, 1544)]