13287860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15451}}^1$

素因数の和:15503

約数の個数: 24

約数和(自身を含む): 28555296

約数和(自身を除く): 15267436

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 15451, 30902, 61804, 77255, 154510, 309020, 664393, 1328786, 2657572, 3321965, 6643930, 13287860]

約数ペア:

[(1, 13287860), (2, 6643930), (4, 3321965), (5, 2657572), (10, 1328786), (20, 664393), (43, 309020), (86, 154510), (172, 77255), (215, 61804), (430, 30902), (860, 15451)]