133938040

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4139}}^1$

素因数の和:4959

約数の個数: 32

約数和(自身を含む): 301806000

約数和(自身を除く): 167867960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 4139, 6472, 8090, 8278, 16180, 16556, 20695, 32360, 33112, 41390, 82780, 165560, 3348451, 6696902, 13393804, 16742255, 26787608, 33484510, 66969020, 133938040]

約数ペア:

[(1, 133938040), (2, 66969020), (4, 33484510), (5, 26787608), (8, 16742255), (10, 13393804), (20, 6696902), (40, 3348451), (809, 165560), (1618, 82780), (3236, 41390), (4045, 33112), (4139, 32360), (6472, 20695), (8090, 16556), (8278, 16180)]