2009179990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4900439}}^1$

素因数の和:4900487

約数の個数: 16

約数和(自身を含む): 3704732640

約数和(自身を除く): 1695552650

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 4900439, 9800878, 24502195, 49004390, 200917999, 401835998, 1004589995, 2009179990]

約数ペア:

[(1, 2009179990), (2, 1004589995), (5, 401835998), (10, 200917999), (41, 49004390), (82, 24502195), (205, 9800878), (410, 4900439)]