26568702920

素因数分解:

$2^3\times 5^1\times {\mathrm{664217573}}^1$

素因数の和:664217584

約数の個数: 16

約数和(自身を含む): 59779581660

約数和(自身を除く): 33210878740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 664217573, 1328435146, 2656870292, 3321087865, 5313740584, 6642175730, 13284351460, 26568702920]

約数ペア:

[(1, 26568702920), (2, 13284351460), (4, 6642175730), (5, 5313740584), (8, 3321087865), (10, 2656870292), (20, 1328435146), (40, 664217573)]