12794420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5869}}^1$

素因数の和:5987

約数の個数: 24

約数和(自身を含む): 27119400

約数和(自身を除く): 14324980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5869, 11738, 23476, 29345, 58690, 117380, 639721, 1279442, 2558884, 3198605, 6397210, 12794420]

約数ペア:

[(1, 12794420), (2, 6397210), (4, 3198605), (5, 2558884), (10, 1279442), (20, 639721), (109, 117380), (218, 58690), (436, 29345), (545, 23476), (1090, 11738), (2180, 5869)]