1640343740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11716741}}^1$

素因数の和:11716757

約数の個数: 24

約数和(自身を含む): 3936825312

約数和(自身を除く): 2296481572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11716741, 23433482, 46866964, 58583705, 82017187, 117167410, 164034374, 234334820, 328068748, 410085935, 820171870, 1640343740]

約数ペア:

[(1, 1640343740), (2, 820171870), (4, 410085935), (5, 328068748), (7, 234334820), (10, 164034374), (14, 117167410), (20, 82017187), (28, 58583705), (35, 46866964), (70, 23433482), (140, 11716741)]