12909500

素因数分解:

$2^2\times 5^3\times {\mathrm{25819}}^1$

素因数の和:25838

約数の個数: 24

約数和(自身を含む): 28195440

約数和(自身を除く): 15285940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 25819, 51638, 103276, 129095, 258190, 516380, 645475, 1290950, 2581900, 3227375, 6454750, 12909500]

約数ペア:

[(1, 12909500), (2, 6454750), (4, 3227375), (5, 2581900), (10, 1290950), (20, 645475), (25, 516380), (50, 258190), (100, 129095), (125, 103276), (250, 51638), (500, 25819)]