2081616820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{69341}}^1$

素因数の和:69448

約数の個数: 48

約数和(自身を含む): 4659782400

約数和(自身を除く): 2578165580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 7505, 15010, 30020, 69341, 138682, 277364, 346705, 693410, 1317479, 1386820, 2634958, 5269916, 5477939, 6587395, 10955878, 13174790, 21911756, 26349580, 27389695, 54779390, 104080841, 109558780, 208161682, 416323364, 520404205, 1040808410, 2081616820]

約数ペア:

[(1, 2081616820), (2, 1040808410), (4, 520404205), (5, 416323364), (10, 208161682), (19, 109558780), (20, 104080841), (38, 54779390), (76, 27389695), (79, 26349580), (95, 21911756), (158, 13174790), (190, 10955878), (316, 6587395), (380, 5477939), (395, 5269916), (790, 2634958), (1501, 1386820), (1580, 1317479), (3002, 693410), (6004, 346705), (7505, 277364), (15010, 138682), (30020, 69341)]