51992240

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3299}}^1$

素因数の和:3509

約数の個数: 40

約数和(自身を含む): 121532400

約数和(自身を除く): 69540160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3299, 3940, 6598, 7880, 13196, 15760, 16495, 26392, 32990, 52784, 65980, 131960, 263920, 649903, 1299806, 2599612, 3249515, 5199224, 6499030, 10398448, 12998060, 25996120, 51992240]

約数ペア:

[(1, 51992240), (2, 25996120), (4, 12998060), (5, 10398448), (8, 6499030), (10, 5199224), (16, 3249515), (20, 2599612), (40, 1299806), (80, 649903), (197, 263920), (394, 131960), (788, 65980), (985, 52784), (1576, 32990), (1970, 26392), (3152, 16495), (3299, 15760), (3940, 13196), (6598, 7880)]