2045647690

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1876741}}^1$

素因数の和:1876857

約数の個数: 16

約数和(自身を含む): 3715949160

約数和(自身を除く): 1670301470

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 1876741, 3753482, 9383705, 18767410, 204564769, 409129538, 1022823845, 2045647690]

約数ペア:

[(1, 2045647690), (2, 1022823845), (5, 409129538), (10, 204564769), (109, 18767410), (218, 9383705), (545, 3753482), (1090, 1876741)]