68554040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39857}}^1$

素因数の和:39911

約数の個数: 32

約数和(自身を含む): 157837680

約数和(自身を除く): 89283640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 39857, 79714, 159428, 199285, 318856, 398570, 797140, 1594280, 1713851, 3427702, 6855404, 8569255, 13710808, 17138510, 34277020, 68554040]

約数ペア:

[(1, 68554040), (2, 34277020), (4, 17138510), (5, 13710808), (8, 8569255), (10, 6855404), (20, 3427702), (40, 1713851), (43, 1594280), (86, 797140), (172, 398570), (215, 318856), (344, 199285), (430, 159428), (860, 79714), (1720, 39857)]