80731160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20807}}^1$

素因数の和:20915

約数の個数: 32

約数和(自身を含む): 183526560

約数和(自身を除く): 102795400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 20807, 41614, 83228, 104035, 166456, 208070, 416140, 832280, 2018279, 4036558, 8073116, 10091395, 16146232, 20182790, 40365580, 80731160]

約数ペア:

[(1, 80731160), (2, 40365580), (4, 20182790), (5, 16146232), (8, 10091395), (10, 8073116), (20, 4036558), (40, 2018279), (97, 832280), (194, 416140), (388, 208070), (485, 166456), (776, 104035), (970, 83228), (1940, 41614), (3880, 20807)]