28026740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200191}}^1$

素因数の和:200207

約数の個数: 24

約数和(自身を含む): 67264512

約数和(自身を除く): 39237772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200191, 400382, 800764, 1000955, 1401337, 2001910, 2802674, 4003820, 5605348, 7006685, 14013370, 28026740]

約数ペア:

[(1, 28026740), (2, 14013370), (4, 7006685), (5, 5605348), (7, 4003820), (10, 2802674), (14, 2001910), (20, 1401337), (28, 1000955), (35, 800764), (70, 400382), (140, 200191)]