4062140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1031}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 8582112

約数和(自身を除く): 4519972

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1031, 1970, 2062, 3940, 4124, 5155, 10310, 20620, 203107, 406214, 812428, 1015535, 2031070, 4062140]

約数ペア:

[(1, 4062140), (2, 2031070), (4, 1015535), (5, 812428), (10, 406214), (20, 203107), (197, 20620), (394, 10310), (788, 5155), (985, 4124), (1031, 3940), (1970, 2062)]