41268820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 90655488

約数和(自身を除く): 49386668

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 1021, 2021, 2042, 4042, 4084, 5105, 8084, 10105, 10210, 20210, 20420, 40420, 43903, 47987, 87806, 95974, 175612, 191948, 219515, 239935, 439030, 479870, 878060, 959740, 2063441, 4126882, 8253764, 10317205, 20634410, 41268820]

約数ペア:

[(1, 41268820), (2, 20634410), (4, 10317205), (5, 8253764), (10, 4126882), (20, 2063441), (43, 959740), (47, 878060), (86, 479870), (94, 439030), (172, 239935), (188, 219515), (215, 191948), (235, 175612), (430, 95974), (470, 87806), (860, 47987), (940, 43903), (1021, 40420), (2021, 20420), (2042, 20210), (4042, 10210), (4084, 10105), (5105, 8084)]