65768420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{30169}}^1$

素因数の和:30287

約数の個数: 24

約数和(自身を含む): 139385400

約数和(自身を除く): 73616980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 30169, 60338, 120676, 150845, 301690, 603380, 3288421, 6576842, 13153684, 16442105, 32884210, 65768420]

約数ペア:

[(1, 65768420), (2, 32884210), (4, 16442105), (5, 13153684), (10, 6576842), (20, 3288421), (109, 603380), (218, 301690), (436, 150845), (545, 120676), (1090, 60338), (2180, 30169)]