31427600

素因数分解:

$2^4\times 5^2\times {\mathrm{78569}}^1$

素因数の和:78587

約数の個数: 30

約数和(自身を含む): 75505770

約数和(自身を除く): 44078170

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 78569, 157138, 314276, 392845, 628552, 785690, 1257104, 1571380, 1964225, 3142760, 3928450, 6285520, 7856900, 15713800, 31427600]

約数ペア:

[(1, 31427600), (2, 15713800), (4, 7856900), (5, 6285520), (8, 3928450), (10, 3142760), (16, 1964225), (20, 1571380), (25, 1257104), (40, 785690), (50, 628552), (80, 392845), (100, 314276), (200, 157138), (400, 78569)]