1660660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:1983

約数の個数: 24

約数和(自身を含む): 3570336

約数和(自身を除く): 1909676

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1931, 3862, 7724, 9655, 19310, 38620, 83033, 166066, 332132, 415165, 830330, 1660660]

約数ペア:

[(1, 1660660), (2, 830330), (4, 415165), (5, 332132), (10, 166066), (20, 83033), (43, 38620), (86, 19310), (172, 9655), (215, 7724), (430, 3862), (860, 1931)]