51667600

素因数分解:

$2^4\times 5^2\times {\mathrm{129169}}^1$

素因数の和:129187

約数の個数: 30

約数和(自身を含む): 124132370

約数和(自身を除く): 72464770

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 129169, 258338, 516676, 645845, 1033352, 1291690, 2066704, 2583380, 3229225, 5166760, 6458450, 10333520, 12916900, 25833800, 51667600]

約数ペア:

[(1, 51667600), (2, 25833800), (4, 12916900), (5, 10333520), (8, 6458450), (10, 5166760), (16, 3229225), (20, 2583380), (25, 2066704), (40, 1291690), (50, 1033352), (80, 645845), (100, 516676), (200, 258338), (400, 129169)]