86657980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{31627}}^1$

素因数の和:31773

約数の個数: 24

約数和(自身を含む): 183315888

約数和(自身を除く): 96657908

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 31627, 63254, 126508, 158135, 316270, 632540, 4332899, 8665798, 17331596, 21664495, 43328990, 86657980]

約数ペア:

[(1, 86657980), (2, 43328990), (4, 21664495), (5, 17331596), (10, 8665798), (20, 4332899), (137, 632540), (274, 316270), (548, 158135), (685, 126508), (1370, 63254), (2740, 31627)]