137720680

素因数分解:

$2^3\times 5^1\times {\mathrm{3443017}}^1$

素因数の和:3443028

約数の個数: 16

約数和(自身を含む): 309871620

約数和(自身を除く): 172150940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3443017, 6886034, 13772068, 17215085, 27544136, 34430170, 68860340, 137720680]

約数ペア:

[(1, 137720680), (2, 68860340), (4, 34430170), (5, 27544136), (8, 17215085), (10, 13772068), (20, 6886034), (40, 3443017)]