80212187540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{193871}}^1$

素因数の和:194168

約数の個数: 48

約数和(自身を含む): 170799681024

約数和(自身を除く): 90587493484

約数列:

[1, 2, 4, 5, 10, 20, 137, 151, 274, 302, 548, 604, 685, 755, 1370, 1510, 2740, 3020, 20687, 41374, 82748, 103435, 193871, 206870, 387742, 413740, 775484, 969355, 1938710, 3877420, 26560327, 29274521, 53120654, 58549042, 106241308, 117098084, 132801635, 146372605, 265603270, 292745210, 531206540, 585490420, 4010609377, 8021218754, 16042437508, 20053046885, 40106093770, 80212187540]

約数ペア:

[(1, 80212187540), (2, 40106093770), (4, 20053046885), (5, 16042437508), (10, 8021218754), (20, 4010609377), (137, 585490420), (151, 531206540), (274, 292745210), (302, 265603270), (548, 146372605), (604, 132801635), (685, 117098084), (755, 106241308), (1370, 58549042), (1510, 53120654), (2740, 29274521), (3020, 26560327), (20687, 3877420), (41374, 1938710), (82748, 969355), (103435, 775484), (193871, 413740), (206870, 387742)]