20808897850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{10337}}^1$

素因数の和:10544

約数の個数: 96

約数和(自身を含む): 44149049280

約数和(自身を除く): 23340151430

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 163, 190, 247, 325, 326, 475, 494, 650, 815, 950, 1235, 1630, 2119, 2470, 3097, 4075, 4238, 6175, 6194, 8150, 10337, 10595, 12350, 15485, 20674, 21190, 30970, 40261, 51685, 52975, 77425, 80522, 103370, 105950, 134381, 154850, 196403, 201305, 258425, 268762, 392806, 402610, 516850, 671905, 982015, 1006525, 1343810, 1684931, 1964030, 2013050, 2553239, 3359525, 3369862, 4910075, 5106478, 6719050, 8424655, 9820150, 12766195, 16849310, 21904103, 25532390, 32013689, 42123275, 43808206, 63830975, 64027378, 84246550, 109520515, 127661950, 160068445, 219041030, 320136890, 416177957, 547602575, 800342225, 832355914, 1095205150, 1600684450, 2080889785, 4161779570, 10404448925, 20808897850]

約数ペア:

[(1, 20808897850), (2, 10404448925), (5, 4161779570), (10, 2080889785), (13, 1600684450), (19, 1095205150), (25, 832355914), (26, 800342225), (38, 547602575), (50, 416177957), (65, 320136890), (95, 219041030), (130, 160068445), (163, 127661950), (190, 109520515), (247, 84246550), (325, 64027378), (326, 63830975), (475, 43808206), (494, 42123275), (650, 32013689), (815, 25532390), (950, 21904103), (1235, 16849310), (1630, 12766195), (2119, 9820150), (2470, 8424655), (3097, 6719050), (4075, 5106478), (4238, 4910075), (6175, 3369862), (6194, 3359525), (8150, 2553239), (10337, 2013050), (10595, 1964030), (12350, 1684931), (15485, 1343810), (20674, 1006525), (21190, 982015), (30970, 671905), (40261, 516850), (51685, 402610), (52975, 392806), (77425, 268762), (80522, 258425), (103370, 201305), (105950, 196403), (134381, 154850)]