26282800

素因数分解:

$2^4\times 5^2\times {\mathrm{65707}}^1$

素因数の和:65725

約数の個数: 30

約数和(自身を含む): 63145388

約数和(自身を除く): 36862588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 65707, 131414, 262828, 328535, 525656, 657070, 1051312, 1314140, 1642675, 2628280, 3285350, 5256560, 6570700, 13141400, 26282800]

約数ペア:

[(1, 26282800), (2, 13141400), (4, 6570700), (5, 5256560), (8, 3285350), (10, 2628280), (16, 1642675), (20, 1314140), (25, 1051312), (40, 657070), (50, 525656), (80, 328535), (100, 262828), (200, 131414), (400, 65707)]