90475880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{205627}}^1$

素因数の和:205649

約数の個数: 32

約数和(自身を含む): 222078240

約数和(自身を除く): 131602360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 205627, 411254, 822508, 1028135, 1645016, 2056270, 2261897, 4112540, 4523794, 8225080, 9047588, 11309485, 18095176, 22618970, 45237940, 90475880]

約数ペア:

[(1, 90475880), (2, 45237940), (4, 22618970), (5, 18095176), (8, 11309485), (10, 9047588), (11, 8225080), (20, 4523794), (22, 4112540), (40, 2261897), (44, 2056270), (55, 1645016), (88, 1028135), (110, 822508), (220, 411254), (440, 205627)]