40409660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42989}}^1$

素因数の和:43045

約数の個数: 24

約数和(自身を含む): 86667840

約数和(自身を除く): 46258180

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 42989, 85978, 171956, 214945, 429890, 859780, 2020483, 4040966, 8081932, 10102415, 20204830, 40409660]

約数ペア:

[(1, 40409660), (2, 20204830), (4, 10102415), (5, 8081932), (10, 4040966), (20, 2020483), (47, 859780), (94, 429890), (188, 214945), (235, 171956), (470, 85978), (940, 42989)]