78486564440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19050137}}^1$

素因数の和:19050251

約数の個数: 32

約数和(自身を含む): 178309291680

約数和(自身を除く): 99822727240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 19050137, 38100274, 76200548, 95250685, 152401096, 190501370, 381002740, 762005480, 1962164111, 3924328222, 7848656444, 9810820555, 15697312888, 19621641110, 39243282220, 78486564440]

約数ペア:

[(1, 78486564440), (2, 39243282220), (4, 19621641110), (5, 15697312888), (8, 9810820555), (10, 7848656444), (20, 3924328222), (40, 1962164111), (103, 762005480), (206, 381002740), (412, 190501370), (515, 152401096), (824, 95250685), (1030, 76200548), (2060, 38100274), (4120, 19050137)]