87719980

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{9473}}^1$

素因数の和:9945

約数の個数: 24

約数和(自身を含む): 184629312

約数和(自身を除く): 96909332

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2315, 4630, 9260, 9473, 18946, 37892, 47365, 94730, 189460, 4385999, 8771998, 17543996, 21929995, 43859990, 87719980]

約数ペア:

[(1, 87719980), (2, 43859990), (4, 21929995), (5, 17543996), (10, 8771998), (20, 4385999), (463, 189460), (926, 94730), (1852, 47365), (2315, 37892), (4630, 18946), (9260, 9473)]