8123018740

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1\times {\mathrm{7489}}^1$

素因数の和:7972

約数の個数: 48

約数和(自身を含む): 17210042640

約数和(自身を除く): 9087023900

約数列:

[1, 2, 4, 5, 10, 20, 193, 281, 386, 562, 772, 965, 1124, 1405, 1930, 2810, 3860, 5620, 7489, 14978, 29956, 37445, 54233, 74890, 108466, 149780, 216932, 271165, 542330, 1084660, 1445377, 2104409, 2890754, 4208818, 5781508, 7226885, 8417636, 10522045, 14453770, 21044090, 28907540, 42088180, 406150937, 812301874, 1624603748, 2030754685, 4061509370, 8123018740]

約数ペア:

[(1, 8123018740), (2, 4061509370), (4, 2030754685), (5, 1624603748), (10, 812301874), (20, 406150937), (193, 42088180), (281, 28907540), (386, 21044090), (562, 14453770), (772, 10522045), (965, 8417636), (1124, 7226885), (1405, 5781508), (1930, 4208818), (2810, 2890754), (3860, 2104409), (5620, 1445377), (7489, 1084660), (14978, 542330), (29956, 271165), (37445, 216932), (54233, 149780), (74890, 108466)]