87684040

素因数分解:

$2^3\times 5^1\times {\mathrm{2192101}}^1$

素因数の和:2192112

約数の個数: 16

約数和(自身を含む): 197289180

約数和(自身を除く): 109605140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2192101, 4384202, 8768404, 10960505, 17536808, 21921010, 43842020, 87684040]

約数ペア:

[(1, 87684040), (2, 43842020), (4, 21921010), (5, 17536808), (8, 10960505), (10, 8768404), (20, 4384202), (40, 2192101)]