891880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2027}}^1$

素因数の和:2049

約数の個数: 32

約数和(自身を含む): 2190240

約数和(自身を除く): 1298360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2027, 4054, 8108, 10135, 16216, 20270, 22297, 40540, 44594, 81080, 89188, 111485, 178376, 222970, 445940, 891880]

約数ペア:

[(1, 891880), (2, 445940), (4, 222970), (5, 178376), (8, 111485), (10, 89188), (11, 81080), (20, 44594), (22, 40540), (40, 22297), (44, 20270), (55, 16216), (88, 10135), (110, 8108), (220, 4054), (440, 2027)]