13478260

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4463}}^1$

素因数の和:4623

約数の個数: 24

約数和(自身を含む): 28498176

約数和(自身を除く): 15019916

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 4463, 8926, 17852, 22315, 44630, 89260, 673913, 1347826, 2695652, 3369565, 6739130, 13478260]

約数ペア:

[(1, 13478260), (2, 6739130), (4, 3369565), (5, 2695652), (10, 1347826), (20, 673913), (151, 89260), (302, 44630), (604, 22315), (755, 17852), (1510, 8926), (3020, 4463)]