13231280

素因数分解:

$2^4\times 5^1\times {\mathrm{165391}}^1$

素因数の和:165404

約数の個数: 20

約数和(自身を含む): 30762912

約数和(自身を除く): 17531632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 165391, 330782, 661564, 826955, 1323128, 1653910, 2646256, 3307820, 6615640, 13231280]

約数ペア:

[(1, 13231280), (2, 6615640), (4, 3307820), (5, 2646256), (8, 1653910), (10, 1323128), (16, 826955), (20, 661564), (40, 330782), (80, 165391)]