26296240

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1279}}^1$

素因数の和:1549

約数の個数: 40

約数和(自身を含む): 61424640

約数和(自身を除く): 35128400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1279, 1285, 2056, 2558, 2570, 4112, 5116, 5140, 6395, 10232, 10280, 12790, 20464, 20560, 25580, 51160, 102320, 328703, 657406, 1314812, 1643515, 2629624, 3287030, 5259248, 6574060, 13148120, 26296240]

約数ペア:

[(1, 26296240), (2, 13148120), (4, 6574060), (5, 5259248), (8, 3287030), (10, 2629624), (16, 1643515), (20, 1314812), (40, 657406), (80, 328703), (257, 102320), (514, 51160), (1028, 25580), (1279, 20560), (1285, 20464), (2056, 12790), (2558, 10280), (2570, 10232), (4112, 6395), (5116, 5140)]