2009132060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{20389}}^1$

素因数の和:20790

約数の個数: 48

約数和(自身を含む): 4555941600

約数和(自身を除く): 2546809540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 1516, 1895, 3790, 4927, 7580, 9854, 19708, 20389, 24635, 40778, 49270, 81556, 98540, 101945, 203890, 265057, 407780, 530114, 1060228, 1325285, 2650570, 5301140, 7727431, 15454862, 30909724, 38637155, 77274310, 100456603, 154548620, 200913206, 401826412, 502283015, 1004566030, 2009132060]

約数ペア:

[(1, 2009132060), (2, 1004566030), (4, 502283015), (5, 401826412), (10, 200913206), (13, 154548620), (20, 100456603), (26, 77274310), (52, 38637155), (65, 30909724), (130, 15454862), (260, 7727431), (379, 5301140), (758, 2650570), (1516, 1325285), (1895, 1060228), (3790, 530114), (4927, 407780), (7580, 265057), (9854, 203890), (19708, 101945), (20389, 98540), (24635, 81556), (40778, 49270)]