266588660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{12979}}^1$

素因数の和:13080

約数の個数: 48

約数和(自身を含む): 610579200

約数和(自身を除く): 343990540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 12979, 20540, 25958, 51916, 64895, 129790, 168727, 259580, 337454, 674908, 843635, 1025341, 1687270, 2050682, 3374540, 4101364, 5126705, 10253410, 13329433, 20506820, 26658866, 53317732, 66647165, 133294330, 266588660]

約数ペア:

[(1, 266588660), (2, 133294330), (4, 66647165), (5, 53317732), (10, 26658866), (13, 20506820), (20, 13329433), (26, 10253410), (52, 5126705), (65, 4101364), (79, 3374540), (130, 2050682), (158, 1687270), (260, 1025341), (316, 843635), (395, 674908), (790, 337454), (1027, 259580), (1580, 168727), (2054, 129790), (4108, 64895), (5135, 51916), (10270, 25958), (12979, 20540)]