980440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 2234880

約数和(自身を除く): 1254440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 193, 254, 386, 508, 635, 772, 965, 1016, 1270, 1544, 1930, 2540, 3860, 5080, 7720, 24511, 49022, 98044, 122555, 196088, 245110, 490220, 980440]

約数ペア:

[(1, 980440), (2, 490220), (4, 245110), (5, 196088), (8, 122555), (10, 98044), (20, 49022), (40, 24511), (127, 7720), (193, 5080), (254, 3860), (386, 2540), (508, 1930), (635, 1544), (772, 1270), (965, 1016)]