808224580

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{25147}}^1$

素因数の和:26763

約数の個数: 24

約数和(自身を含む): 1698395328

約数和(自身を除く): 890170748

約数列:

[1, 2, 4, 5, 10, 20, 1607, 3214, 6428, 8035, 16070, 25147, 32140, 50294, 100588, 125735, 251470, 502940, 40411229, 80822458, 161644916, 202056145, 404112290, 808224580]

約数ペア:

[(1, 808224580), (2, 404112290), (4, 202056145), (5, 161644916), (10, 80822458), (20, 40411229), (1607, 502940), (3214, 251470), (6428, 125735), (8035, 100588), (16070, 50294), (25147, 32140)]