2575660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 5473440

約数和(自身を除く): 2897780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1447, 1780, 2894, 5788, 7235, 14470, 28940, 128783, 257566, 515132, 643915, 1287830, 2575660]

約数ペア:

[(1, 2575660), (2, 1287830), (4, 643915), (5, 515132), (10, 257566), (20, 128783), (89, 28940), (178, 14470), (356, 7235), (445, 5788), (890, 2894), (1447, 1780)]