4197940

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{487}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 8854272

約数和(自身を除く): 4656332

約数列:

[1, 2, 4, 5, 10, 20, 431, 487, 862, 974, 1724, 1948, 2155, 2435, 4310, 4870, 8620, 9740, 209897, 419794, 839588, 1049485, 2098970, 4197940]

約数ペア:

[(1, 4197940), (2, 2098970), (4, 1049485), (5, 839588), (10, 419794), (20, 209897), (431, 9740), (487, 8620), (862, 4870), (974, 4310), (1724, 2435), (1948, 2155)]