26639504

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{40609}}^1$

素因数の和:40658

約数の個数: 20

約数和(自身を含む): 52874220

約数和(自身を除く): 26234716

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 40609, 81218, 162436, 324872, 649744, 1664969, 3329938, 6659876, 13319752, 26639504]

約数ペア:

[(1, 26639504), (2, 13319752), (4, 6659876), (8, 3329938), (16, 1664969), (41, 649744), (82, 324872), (164, 162436), (328, 81218), (656, 40609)]