12358420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5669}}^1$

素因数の和:5787

約数の個数: 24

約数和(自身を含む): 26195400

約数和(自身を除く): 13836980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5669, 11338, 22676, 28345, 56690, 113380, 617921, 1235842, 2471684, 3089605, 6179210, 12358420]

約数ペア:

[(1, 12358420), (2, 6179210), (4, 3089605), (5, 2471684), (10, 1235842), (20, 617921), (109, 113380), (218, 56690), (436, 28345), (545, 22676), (1090, 11338), (2180, 5669)]