2155998440

素因数分解:

$2^3\times 5^1\times {\mathrm{3089}}^1\times {\mathrm{17449}}^1$

素因数の和:20549

約数の個数: 32

約数和(自身を含む): 4852845000

約数和(自身を除く): 2696846560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3089, 6178, 12356, 15445, 17449, 24712, 30890, 34898, 61780, 69796, 87245, 123560, 139592, 174490, 348980, 697960, 53899961, 107799922, 215599844, 269499805, 431199688, 538999610, 1077999220, 2155998440]

約数ペア:

[(1, 2155998440), (2, 1077999220), (4, 538999610), (5, 431199688), (8, 269499805), (10, 215599844), (20, 107799922), (40, 53899961), (3089, 697960), (6178, 348980), (12356, 174490), (15445, 139592), (17449, 123560), (24712, 87245), (30890, 69796), (34898, 61780)]