87684560

素因数分解:

$2^4\times 5^1\times {\mathrm{1096057}}^1$

素因数の和:1096070

約数の個数: 20

約数和(自身を含む): 203866788

約数和(自身を除く): 116182228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1096057, 2192114, 4384228, 5480285, 8768456, 10960570, 17536912, 21921140, 43842280, 87684560]

約数ペア:

[(1, 87684560), (2, 43842280), (4, 21921140), (5, 17536912), (8, 10960570), (10, 8768456), (16, 5480285), (20, 4384228), (40, 2192114), (80, 1096057)]