20199442880

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1\times {\mathrm{1861}}^1$

素因数の和:2302

約数の個数: 112

約数和(自身を含む): 48728778336

約数和(自身を除く): 28529335456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 317, 320, 428, 535, 634, 856, 1070, 1268, 1585, 1712, 1861, 2140, 2536, 3170, 3424, 3722, 4280, 5072, 6340, 6848, 7444, 8560, 9305, 10144, 12680, 14888, 17120, 18610, 20288, 25360, 29776, 33919, 34240, 37220, 50720, 59552, 67838, 74440, 101440, 119104, 135676, 148880, 169595, 199127, 271352, 297760, 339190, 398254, 542704, 589937, 595520, 678380, 796508, 995635, 1085408, 1179874, 1356760, 1593016, 1991270, 2170816, 2359748, 2713520, 2949685, 3186032, 3982540, 4719496, 5427040, 5899370, 6372064, 7965080, 9438992, 10854080, 11798740, 12744128, 15930160, 18877984, 23597480, 31860320, 37755968, 47194960, 63123259, 63720640, 94389920, 126246518, 188779840, 252493036, 315616295, 504986072, 631232590, 1009972144, 1262465180, 2019944288, 2524930360, 4039888576, 5049860720, 10099721440, 20199442880]

約数ペア:

[(1, 20199442880), (2, 10099721440), (4, 5049860720), (5, 4039888576), (8, 2524930360), (10, 2019944288), (16, 1262465180), (20, 1009972144), (32, 631232590), (40, 504986072), (64, 315616295), (80, 252493036), (107, 188779840), (160, 126246518), (214, 94389920), (317, 63720640), (320, 63123259), (428, 47194960), (535, 37755968), (634, 31860320), (856, 23597480), (1070, 18877984), (1268, 15930160), (1585, 12744128), (1712, 11798740), (1861, 10854080), (2140, 9438992), (2536, 7965080), (3170, 6372064), (3424, 5899370), (3722, 5427040), (4280, 4719496), (5072, 3982540), (6340, 3186032), (6848, 2949685), (7444, 2713520), (8560, 2359748), (9305, 2170816), (10144, 1991270), (12680, 1593016), (14888, 1356760), (17120, 1179874), (18610, 1085408), (20288, 995635), (25360, 796508), (29776, 678380), (33919, 595520), (34240, 589937), (37220, 542704), (50720, 398254), (59552, 339190), (67838, 297760), (74440, 271352), (101440, 199127), (119104, 169595), (135676, 148880)]