71286580

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{26017}}^1$

素因数の和:26163

約数の個数: 24

約数和(自身を含む): 150800328

約数和(自身を除く): 79513748

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 26017, 52034, 104068, 130085, 260170, 520340, 3564329, 7128658, 14257316, 17821645, 35643290, 71286580]

約数ペア:

[(1, 71286580), (2, 35643290), (4, 17821645), (5, 14257316), (10, 7128658), (20, 3564329), (137, 520340), (274, 260170), (548, 130085), (685, 104068), (1370, 52034), (2740, 26017)]