68806840

素因数分解:

$2^3\times 5^1\times {\mathrm{1720171}}^1$

素因数の和:1720182

約数の個数: 16

約数和(自身を含む): 154815480

約数和(自身を除く): 86008640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1720171, 3440342, 6880684, 8600855, 13761368, 17201710, 34403420, 68806840]

約数ペア:

[(1, 68806840), (2, 34403420), (4, 17201710), (5, 13761368), (8, 8600855), (10, 6880684), (20, 3440342), (40, 1720171)]