28150900

素因数分解:

$2^2\times 5^2\times {\mathrm{281509}}^1$

素因数の和:281523

約数の個数: 18

約数和(自身を含む): 61087670

約数和(自身を除く): 32936770

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 281509, 563018, 1126036, 1407545, 2815090, 5630180, 7037725, 14075450, 28150900]

約数ペア:

[(1, 28150900), (2, 14075450), (4, 7037725), (5, 5630180), (10, 2815090), (20, 1407545), (25, 1126036), (50, 563018), (100, 281509)]