68510480

素因数分解:

$2^4\times 5^1\times {\mathrm{856381}}^1$

素因数の和:856394

約数の個数: 20

約数和(自身を含む): 159287052

約数和(自身を除く): 90776572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 856381, 1712762, 3425524, 4281905, 6851048, 8563810, 13702096, 17127620, 34255240, 68510480]

約数ペア:

[(1, 68510480), (2, 34255240), (4, 17127620), (5, 13702096), (8, 8563810), (10, 6851048), (16, 4281905), (20, 3425524), (40, 1712762), (80, 856381)]