87481640

素因数分解:

$2^3\times 5^1\times {\mathrm{1459}}^1\times {\mathrm{1499}}^1$

素因数の和:2969

約数の個数: 32

約数和(自身を含む): 197100000

約数和(自身を除く): 109618360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1459, 1499, 2918, 2998, 5836, 5996, 7295, 7495, 11672, 11992, 14590, 14990, 29180, 29980, 58360, 59960, 2187041, 4374082, 8748164, 10935205, 17496328, 21870410, 43740820, 87481640]

約数ペア:

[(1, 87481640), (2, 43740820), (4, 21870410), (5, 17496328), (8, 10935205), (10, 8748164), (20, 4374082), (40, 2187041), (1459, 59960), (1499, 58360), (2918, 29980), (2998, 29180), (5836, 14990), (5996, 14590), (7295, 11992), (7495, 11672)]