13276780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2081}}^1$

素因数の和:2130

約数の個数: 48

約数和(自身を含む): 31479840

約数和(自身を除く): 18203060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 2081, 3190, 4162, 6380, 8324, 10405, 20810, 22891, 41620, 45782, 60349, 91564, 114455, 120698, 228910, 241396, 301745, 457820, 603490, 663839, 1206980, 1327678, 2655356, 3319195, 6638390, 13276780]

約数ペア:

[(1, 13276780), (2, 6638390), (4, 3319195), (5, 2655356), (10, 1327678), (11, 1206980), (20, 663839), (22, 603490), (29, 457820), (44, 301745), (55, 241396), (58, 228910), (110, 120698), (116, 114455), (145, 91564), (220, 60349), (290, 45782), (319, 41620), (580, 22891), (638, 20810), (1276, 10405), (1595, 8324), (2081, 6380), (3190, 4162)]