25515128

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 50220000

約数和(自身を除く): 24704872

約数列:

[1, 2, 4, 8, 29, 58, 71, 116, 142, 232, 284, 568, 1549, 2059, 3098, 4118, 6196, 8236, 12392, 16472, 44921, 89842, 109979, 179684, 219958, 359368, 439916, 879832, 3189391, 6378782, 12757564, 25515128]

約数ペア:

[(1, 25515128), (2, 12757564), (4, 6378782), (8, 3189391), (29, 879832), (58, 439916), (71, 359368), (116, 219958), (142, 179684), (232, 109979), (284, 89842), (568, 44921), (1549, 16472), (2059, 12392), (3098, 8236), (4118, 6196)]