42257720

素因数分解:

$2^3\times 5^1\times {\mathrm{1056443}}^1$

素因数の和:1056454

約数の個数: 16

約数和(自身を含む): 95079960

約数和(自身を除く): 52822240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1056443, 2112886, 4225772, 5282215, 8451544, 10564430, 21128860, 42257720]

約数ペア:

[(1, 42257720), (2, 21128860), (4, 10564430), (5, 8451544), (8, 5282215), (10, 4225772), (20, 2112886), (40, 1056443)]