28917940

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1433}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 60830280

約数和(自身を除く): 31912340

約数列:

[1, 2, 4, 5, 10, 20, 1009, 1433, 2018, 2866, 4036, 5045, 5732, 7165, 10090, 14330, 20180, 28660, 1445897, 2891794, 5783588, 7229485, 14458970, 28917940]

約数ペア:

[(1, 28917940), (2, 14458970), (4, 7229485), (5, 5783588), (10, 2891794), (20, 1445897), (1009, 28660), (1433, 20180), (2018, 14330), (2866, 10090), (4036, 7165), (5045, 5732)]