12768260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5857}}^1$

素因数の和:5975

約数の個数: 24

約数和(自身を含む): 27063960

約数和(自身を除く): 14295700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5857, 11714, 23428, 29285, 58570, 117140, 638413, 1276826, 2553652, 3192065, 6384130, 12768260]

約数ペア:

[(1, 12768260), (2, 6384130), (4, 3192065), (5, 2553652), (10, 1276826), (20, 638413), (109, 117140), (218, 58570), (436, 29285), (545, 23428), (1090, 11714), (2180, 5857)]