2912852780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1336171}}^1$

素因数の和:1336289

約数の個数: 24

約数和(自身を含む): 6173114640

約数和(自身を除く): 3260261860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 1336171, 2672342, 5344684, 6680855, 13361710, 26723420, 145642639, 291285278, 582570556, 728213195, 1456426390, 2912852780]

約数ペア:

[(1, 2912852780), (2, 1456426390), (4, 728213195), (5, 582570556), (10, 291285278), (20, 145642639), (109, 26723420), (218, 13361710), (436, 6680855), (545, 5344684), (1090, 2672342), (2180, 1336171)]