80169980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1187}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 184415616

約数和(自身を除く): 104245636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 307, 614, 1187, 1228, 1535, 2374, 3070, 3377, 4748, 5935, 6140, 6754, 11870, 13057, 13508, 16885, 23740, 26114, 33770, 52228, 65285, 67540, 130570, 261140, 364409, 728818, 1457636, 1822045, 3644090, 4008499, 7288180, 8016998, 16033996, 20042495, 40084990, 80169980]

約数ペア:

[(1, 80169980), (2, 40084990), (4, 20042495), (5, 16033996), (10, 8016998), (11, 7288180), (20, 4008499), (22, 3644090), (44, 1822045), (55, 1457636), (110, 728818), (220, 364409), (307, 261140), (614, 130570), (1187, 67540), (1228, 65285), (1535, 52228), (2374, 33770), (3070, 26114), (3377, 23740), (4748, 16885), (5935, 13508), (6140, 13057), (6754, 11870)]