204580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 439992

約数和(自身を除く): 235412

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 193, 212, 265, 386, 530, 772, 965, 1060, 1930, 3860, 10229, 20458, 40916, 51145, 102290, 204580]

約数ペア:

[(1, 204580), (2, 102290), (4, 51145), (5, 40916), (10, 20458), (20, 10229), (53, 3860), (106, 1930), (193, 1060), (212, 965), (265, 772), (386, 530)]