12925840

素因数分解:

$2^4\times 5^1\times {\mathrm{161573}}^1$

素因数の和:161586

約数の個数: 20

約数和(自身を含む): 30052764

約数和(自身を除く): 17126924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161573, 323146, 646292, 807865, 1292584, 1615730, 2585168, 3231460, 6462920, 12925840]

約数ペア:

[(1, 12925840), (2, 6462920), (4, 3231460), (5, 2585168), (8, 1615730), (10, 1292584), (16, 807865), (20, 646292), (40, 323146), (80, 161573)]