13006780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 28377216

約数和(自身を除く): 15370436

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 137, 188, 202, 235, 274, 404, 470, 505, 548, 685, 940, 1010, 1370, 2020, 2740, 4747, 6439, 9494, 12878, 13837, 18988, 23735, 25756, 27674, 32195, 47470, 55348, 64390, 69185, 94940, 128780, 138370, 276740, 650339, 1300678, 2601356, 3251695, 6503390, 13006780]

約数ペア:

[(1, 13006780), (2, 6503390), (4, 3251695), (5, 2601356), (10, 1300678), (20, 650339), (47, 276740), (94, 138370), (101, 128780), (137, 94940), (188, 69185), (202, 64390), (235, 55348), (274, 47470), (404, 32195), (470, 27674), (505, 25756), (548, 23735), (685, 18988), (940, 13837), (1010, 12878), (1370, 9494), (2020, 6439), (2740, 4747)]