1279071740

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{72101}}^1$

素因数の和:72997

約数の個数: 24

約数和(自身を含む): 2689116192

約数和(自身を除く): 1410044452

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4435, 8870, 17740, 72101, 144202, 288404, 360505, 721010, 1442020, 63953587, 127907174, 255814348, 319767935, 639535870, 1279071740]

約数ペア:

[(1, 1279071740), (2, 639535870), (4, 319767935), (5, 255814348), (10, 127907174), (20, 63953587), (887, 1442020), (1774, 721010), (3548, 360505), (4435, 288404), (8870, 144202), (17740, 72101)]