87181160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198139}}^1$

素因数の和:198161

約数の個数: 32

約数和(自身を含む): 213991200

約数和(自身を除く): 126810040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 198139, 396278, 792556, 990695, 1585112, 1981390, 2179529, 3962780, 4359058, 7925560, 8718116, 10897645, 17436232, 21795290, 43590580, 87181160]

約数ペア:

[(1, 87181160), (2, 43590580), (4, 21795290), (5, 17436232), (8, 10897645), (10, 8718116), (11, 7925560), (20, 4359058), (22, 3962780), (40, 2179529), (44, 1981390), (55, 1585112), (88, 990695), (110, 792556), (220, 396278), (440, 198139)]