67702280

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2087}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 152591040

約数和(自身を除く): 84888760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2087, 3244, 4055, 4174, 6488, 8110, 8348, 10435, 16220, 16696, 20870, 32440, 41740, 83480, 1692557, 3385114, 6770228, 8462785, 13540456, 16925570, 33851140, 67702280]

約数ペア:

[(1, 67702280), (2, 33851140), (4, 16925570), (5, 13540456), (8, 8462785), (10, 6770228), (20, 3385114), (40, 1692557), (811, 83480), (1622, 41740), (2087, 32440), (3244, 20870), (4055, 16696), (4174, 16220), (6488, 10435), (8110, 8348)]