16158940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115421}}^1$

素因数の和:115437

約数の個数: 24

約数和(自身を含む): 38781792

約数和(自身を除く): 22622852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115421, 230842, 461684, 577105, 807947, 1154210, 1615894, 2308420, 3231788, 4039735, 8079470, 16158940]

約数ペア:

[(1, 16158940), (2, 8079470), (4, 4039735), (5, 3231788), (7, 2308420), (10, 1615894), (14, 1154210), (20, 807947), (28, 577105), (35, 461684), (70, 230842), (140, 115421)]