82709180

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{10631}}^1$

素因数の和:11029

約数の個数: 24

約数和(自身を含む): 174152160

約数和(自身を除く): 91442980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 10631, 21262, 42524, 53155, 106310, 212620, 4135459, 8270918, 16541836, 20677295, 41354590, 82709180]

約数ペア:

[(1, 82709180), (2, 41354590), (4, 20677295), (5, 16541836), (10, 8270918), (20, 4135459), (389, 212620), (778, 106310), (1556, 53155), (1945, 42524), (3890, 21262), (7780, 10631)]