9710780

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{997}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 20455008

約数和(自身を除く): 10744228

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 997, 1948, 1994, 2435, 3988, 4870, 4985, 9740, 9970, 19940, 485539, 971078, 1942156, 2427695, 4855390, 9710780]

約数ペア:

[(1, 9710780), (2, 4855390), (4, 2427695), (5, 1942156), (10, 971078), (20, 485539), (487, 19940), (974, 9970), (997, 9740), (1948, 4985), (1994, 4870), (2435, 3988)]