26438320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3407}}^1$

素因数の和:3517

約数の個数: 40

約数和(自身を含む): 62121024

約数和(自身を除く): 35682704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3407, 3880, 6814, 7760, 13628, 17035, 27256, 34070, 54512, 68140, 136280, 272560, 330479, 660958, 1321916, 1652395, 2643832, 3304790, 5287664, 6609580, 13219160, 26438320]

約数ペア:

[(1, 26438320), (2, 13219160), (4, 6609580), (5, 5287664), (8, 3304790), (10, 2643832), (16, 1652395), (20, 1321916), (40, 660958), (80, 330479), (97, 272560), (194, 136280), (388, 68140), (485, 54512), (776, 34070), (970, 27256), (1552, 17035), (1940, 13628), (3407, 7760), (3880, 6814)]