520011880

素因数分解:

$2^3\times 5^1\times {\mathrm{13000297}}^1$

素因数の和:13000308

約数の個数: 16

約数和(自身を含む): 1170026820

約数和(自身を除く): 650014940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13000297, 26000594, 52001188, 65001485, 104002376, 130002970, 260005940, 520011880]

約数ペア:

[(1, 520011880), (2, 260005940), (4, 130002970), (5, 104002376), (8, 65001485), (10, 52001188), (20, 26000594), (40, 13000297)]