8730432880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2129}}^1\times {\mathrm{3943}}^1$

素因数の和:6098

約数の個数: 80

約数和(自身を含む): 21875474880

約数和(自身を除く): 13145042000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2129, 3943, 4258, 7886, 8516, 10645, 15772, 17032, 19715, 21290, 27677, 31544, 34064, 39430, 42580, 51259, 55354, 63088, 78860, 85160, 102518, 110708, 138385, 157720, 170320, 205036, 221416, 256295, 276770, 315440, 410072, 442832, 512590, 553540, 820144, 1025180, 1107080, 2050360, 2214160, 4100720, 8394647, 16789294, 33578588, 41973235, 67157176, 83946470, 109130411, 134314352, 167892940, 218260822, 335785880, 436521644, 545652055, 671571760, 873043288, 1091304110, 1746086576, 2182608220, 4365216440, 8730432880]

約数ペア:

[(1, 8730432880), (2, 4365216440), (4, 2182608220), (5, 1746086576), (8, 1091304110), (10, 873043288), (13, 671571760), (16, 545652055), (20, 436521644), (26, 335785880), (40, 218260822), (52, 167892940), (65, 134314352), (80, 109130411), (104, 83946470), (130, 67157176), (208, 41973235), (260, 33578588), (520, 16789294), (1040, 8394647), (2129, 4100720), (3943, 2214160), (4258, 2050360), (7886, 1107080), (8516, 1025180), (10645, 820144), (15772, 553540), (17032, 512590), (19715, 442832), (21290, 410072), (27677, 315440), (31544, 276770), (34064, 256295), (39430, 221416), (42580, 205036), (51259, 170320), (55354, 157720), (63088, 138385), (78860, 110708), (85160, 102518)]