87175880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198127}}^1$

素因数の和:198149

約数の個数: 32

約数和(自身を含む): 213978240

約数和(自身を除く): 126802360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 198127, 396254, 792508, 990635, 1585016, 1981270, 2179397, 3962540, 4358794, 7925080, 8717588, 10896985, 17435176, 21793970, 43587940, 87175880]

約数ペア:

[(1, 87175880), (2, 43587940), (4, 21793970), (5, 17435176), (8, 10896985), (10, 8717588), (11, 7925080), (20, 4358794), (22, 3962540), (40, 2179397), (44, 1981270), (55, 1585016), (88, 990635), (110, 792508), (220, 396254), (440, 198127)]