6640340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47431}}^1$

素因数の和:47447

約数の個数: 24

約数和(自身を含む): 15937152

約数和(自身を除く): 9296812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 47431, 94862, 189724, 237155, 332017, 474310, 664034, 948620, 1328068, 1660085, 3320170, 6640340]

約数ペア:

[(1, 6640340), (2, 3320170), (4, 1660085), (5, 1328068), (7, 948620), (10, 664034), (14, 474310), (20, 332017), (28, 237155), (35, 189724), (70, 94862), (140, 47431)]