28428500

素因数分解:

$2^2\times 5^3\times {\mathrm{56857}}^1$

素因数の和:56876

約数の個数: 24

約数和(自身を含む): 62088936

約数和(自身を除く): 33660436

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 56857, 113714, 227428, 284285, 568570, 1137140, 1421425, 2842850, 5685700, 7107125, 14214250, 28428500]

約数ペア:

[(1, 28428500), (2, 14214250), (4, 7107125), (5, 5685700), (10, 2842850), (20, 1421425), (25, 1137140), (50, 568570), (100, 284285), (125, 227428), (250, 113714), (500, 56857)]