1771880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4027}}^1$

素因数の和:4049

約数の個数: 32

約数和(自身を含む): 4350240

約数和(自身を除く): 2578360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4027, 8054, 16108, 20135, 32216, 40270, 44297, 80540, 88594, 161080, 177188, 221485, 354376, 442970, 885940, 1771880]

約数ペア:

[(1, 1771880), (2, 885940), (4, 442970), (5, 354376), (8, 221485), (10, 177188), (11, 161080), (20, 88594), (22, 80540), (40, 44297), (44, 40270), (55, 32216), (88, 20135), (110, 16108), (220, 8054), (440, 4027)]