139220680

素因数分解:

$2^3\times 5^1\times {\mathrm{3480517}}^1$

素因数の和:3480528

約数の個数: 16

約数和(自身を含む): 313246620

約数和(自身を除く): 174025940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3480517, 6961034, 13922068, 17402585, 27844136, 34805170, 69610340, 139220680]

約数ペア:

[(1, 139220680), (2, 69610340), (4, 34805170), (5, 27844136), (8, 17402585), (10, 13922068), (20, 6961034), (40, 3480517)]