2013270740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{20431}}^1$

素因数の和:20832

約数の個数: 48

約数和(自身を含む): 4565326080

約数和(自身を除く): 2552055340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 1516, 1895, 3790, 4927, 7580, 9854, 19708, 20431, 24635, 40862, 49270, 81724, 98540, 102155, 204310, 265603, 408620, 531206, 1062412, 1328015, 2656030, 5312060, 7743349, 15486698, 30973396, 38716745, 77433490, 100663537, 154866980, 201327074, 402654148, 503317685, 1006635370, 2013270740]

約数ペア:

[(1, 2013270740), (2, 1006635370), (4, 503317685), (5, 402654148), (10, 201327074), (13, 154866980), (20, 100663537), (26, 77433490), (52, 38716745), (65, 30973396), (130, 15486698), (260, 7743349), (379, 5312060), (758, 2656030), (1516, 1328015), (1895, 1062412), (3790, 531206), (4927, 408620), (7580, 265603), (9854, 204310), (19708, 102155), (20431, 98540), (24635, 81724), (40862, 49270)]