16204280

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2099}}^1$

素因数の和:2303

約数の個数: 32

約数和(自身を含む): 36666000

約数和(自身を除く): 20461720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 2099, 3860, 4198, 7720, 8396, 10495, 16792, 20990, 41980, 83960, 405107, 810214, 1620428, 2025535, 3240856, 4051070, 8102140, 16204280]

約数ペア:

[(1, 16204280), (2, 8102140), (4, 4051070), (5, 3240856), (8, 2025535), (10, 1620428), (20, 810214), (40, 405107), (193, 83960), (386, 41980), (772, 20990), (965, 16792), (1544, 10495), (1930, 8396), (2099, 7720), (3860, 4198)]