26420780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{19717}}^1$

素因数の和:19793

約数の個数: 24

約数和(自身を含む): 56314608

約数和(自身を除く): 29893828

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 19717, 39434, 78868, 98585, 197170, 394340, 1321039, 2642078, 5284156, 6605195, 13210390, 26420780]

約数ペア:

[(1, 26420780), (2, 13210390), (4, 6605195), (5, 5284156), (10, 2642078), (20, 1321039), (67, 394340), (134, 197170), (268, 98585), (335, 78868), (670, 39434), (1340, 19717)]