55156180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25301}}^1$

素因数の和:25419

約数の個数: 24

約数和(自身を含む): 116895240

約数和(自身を除く): 61739060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 25301, 50602, 101204, 126505, 253010, 506020, 2757809, 5515618, 11031236, 13789045, 27578090, 55156180]

約数ペア:

[(1, 55156180), (2, 27578090), (4, 13789045), (5, 11031236), (10, 5515618), (20, 2757809), (109, 506020), (218, 253010), (436, 126505), (545, 101204), (1090, 50602), (2180, 25301)]