25460630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1409}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 49744800

約数和(自身を除く): 24284170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1409, 1807, 2818, 3614, 7045, 9035, 14090, 18070, 18317, 36634, 91585, 183170, 195851, 391702, 979255, 1958510, 2546063, 5092126, 12730315, 25460630]

約数ペア:

[(1, 25460630), (2, 12730315), (5, 5092126), (10, 2546063), (13, 1958510), (26, 979255), (65, 391702), (130, 195851), (139, 183170), (278, 91585), (695, 36634), (1390, 18317), (1409, 18070), (1807, 14090), (2818, 9035), (3614, 7045)]