26380810

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{18979}}^1$

素因数の和:19125

約数の個数: 16

約数和(自身を含む): 47829600

約数和(自身を除く): 21448790

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 18979, 37958, 94895, 189790, 2638081, 5276162, 13190405, 26380810]

約数ペア:

[(1, 26380810), (2, 13190405), (5, 5276162), (10, 2638081), (139, 189790), (278, 94895), (695, 37958), (1390, 18979)]