55247740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25343}}^1$

素因数の和:25461

約数の個数: 24

約数和(自身を含む): 117089280

約数和(自身を除く): 61841540

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 25343, 50686, 101372, 126715, 253430, 506860, 2762387, 5524774, 11049548, 13811935, 27623870, 55247740]

約数ペア:

[(1, 55247740), (2, 27623870), (4, 13811935), (5, 11049548), (10, 5524774), (20, 2762387), (109, 506860), (218, 253430), (436, 126715), (545, 101372), (1090, 50686), (2180, 25343)]