28611880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65027}}^1$

素因数の和:65049

約数の個数: 32

約数和(自身を含む): 70230240

約数和(自身を除く): 41618360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 65027, 130054, 260108, 325135, 520216, 650270, 715297, 1300540, 1430594, 2601080, 2861188, 3576485, 5722376, 7152970, 14305940, 28611880]

約数ペア:

[(1, 28611880), (2, 14305940), (4, 7152970), (5, 5722376), (8, 3576485), (10, 2861188), (11, 2601080), (20, 1430594), (22, 1300540), (40, 715297), (44, 650270), (55, 520216), (88, 325135), (110, 260108), (220, 130054), (440, 65027)]