70820780

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{25847}}^1$

素因数の和:25993

約数の個数: 24

約数和(自身を含む): 149815008

約数和(自身を除く): 78994228

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 25847, 51694, 103388, 129235, 258470, 516940, 3541039, 7082078, 14164156, 17705195, 35410390, 70820780]

約数ペア:

[(1, 70820780), (2, 35410390), (4, 17705195), (5, 14164156), (10, 7082078), (20, 3541039), (137, 516940), (274, 258470), (548, 129235), (685, 103388), (1370, 51694), (2740, 25847)]