25106180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 58000320

約数和(自身を除く): 32894140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 821, 1390, 1529, 1642, 2780, 3058, 3284, 4105, 6116, 7645, 8210, 9031, 15290, 16420, 18062, 30580, 36124, 45155, 90310, 114119, 180620, 228238, 456476, 570595, 1141190, 1255309, 2282380, 2510618, 5021236, 6276545, 12553090, 25106180]

約数ペア:

[(1, 25106180), (2, 12553090), (4, 6276545), (5, 5021236), (10, 2510618), (11, 2282380), (20, 1255309), (22, 1141190), (44, 570595), (55, 456476), (110, 228238), (139, 180620), (220, 114119), (278, 90310), (556, 45155), (695, 36124), (821, 30580), (1390, 18062), (1529, 16420), (1642, 15290), (2780, 9031), (3058, 8210), (3284, 7645), (4105, 6116)]