80714990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^2\times {\mathrm{1019}}^1$

素因数の和:1204

約数の個数: 24

約数和(自身を含む): 147081960

約数和(自身を除く): 66366970

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1019, 2038, 5095, 7921, 10190, 15842, 39605, 79210, 90691, 181382, 453455, 906910, 8071499, 16142998, 40357495, 80714990]

約数ペア:

[(1, 80714990), (2, 40357495), (5, 16142998), (10, 8071499), (89, 906910), (178, 453455), (445, 181382), (890, 90691), (1019, 79210), (2038, 39605), (5095, 15842), (7921, 10190)]