2080504555

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1\times {\mathrm{2063}}^1$

素因数の和:4166

約数の個数: 16

約数和(自身を含む): 2523809664

約数和(自身を除く): 443305109

約数列:

[1, 5, 101, 505, 1997, 2063, 9985, 10315, 201697, 208363, 1008485, 1041815, 4119811, 20599055, 416100911, 2080504555]

約数ペア:

[(1, 2080504555), (5, 416100911), (101, 20599055), (505, 4119811), (1997, 1041815), (2063, 1008485), (9985, 208363), (10315, 201697)]