8138420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3803}}^1$

素因数の和:3919

約数の個数: 24

約数和(自身を含む): 17254944

約数和(自身を除く): 9116524

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 3803, 7606, 15212, 19015, 38030, 76060, 406921, 813842, 1627684, 2034605, 4069210, 8138420]

約数ペア:

[(1, 8138420), (2, 4069210), (4, 2034605), (5, 1627684), (10, 813842), (20, 406921), (107, 76060), (214, 38030), (428, 19015), (535, 15212), (1070, 7606), (2140, 3803)]