16144940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115321}}^1$

素因数の和:115337

約数の個数: 24

約数和(自身を含む): 38748192

約数和(自身を除く): 22603252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115321, 230642, 461284, 576605, 807247, 1153210, 1614494, 2306420, 3228988, 4036235, 8072470, 16144940]

約数ペア:

[(1, 16144940), (2, 8072470), (4, 4036235), (5, 3228988), (7, 2306420), (10, 1614494), (14, 1153210), (20, 807247), (28, 576605), (35, 461284), (70, 230642), (140, 115321)]