25250290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 50174208

約数和(自身を除く): 24923918

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 169, 223, 335, 338, 446, 670, 845, 871, 1115, 1690, 1742, 2230, 2899, 4355, 5798, 8710, 11323, 14495, 14941, 22646, 28990, 29882, 37687, 56615, 74705, 75374, 113230, 149410, 188435, 194233, 376870, 388466, 971165, 1942330, 2525029, 5050058, 12625145, 25250290]

約数ペア:

[(1, 25250290), (2, 12625145), (5, 5050058), (10, 2525029), (13, 1942330), (26, 971165), (65, 388466), (67, 376870), (130, 194233), (134, 188435), (169, 149410), (223, 113230), (335, 75374), (338, 74705), (446, 56615), (670, 37687), (845, 29882), (871, 28990), (1115, 22646), (1690, 14941), (1742, 14495), (2230, 11323), (2899, 8710), (4355, 5798)]