4245820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4937}}^1$

素因数の和:4989

約数の個数: 24

約数和(自身を含む): 9125424

約数和(自身を除く): 4879604

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 4937, 9874, 19748, 24685, 49370, 98740, 212291, 424582, 849164, 1061455, 2122910, 4245820]

約数ペア:

[(1, 4245820), (2, 2122910), (4, 1061455), (5, 849164), (10, 424582), (20, 212291), (43, 98740), (86, 49370), (172, 24685), (215, 19748), (430, 9874), (860, 4937)]