16723745480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{64451}}^1$

素因数の和:64974

約数の個数: 64

約数和(自身を含む): 40604760000

約数和(自身を除く): 23881014520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 499, 520, 998, 1996, 2495, 3992, 4990, 6487, 9980, 12974, 19960, 25948, 32435, 51896, 64451, 64870, 128902, 129740, 257804, 259480, 322255, 515608, 644510, 837863, 1289020, 1675726, 2578040, 3351452, 4189315, 6702904, 8378630, 16757260, 32161049, 33514520, 64322098, 128644196, 160805245, 257288392, 321610490, 418093637, 643220980, 836187274, 1286441960, 1672374548, 2090468185, 3344749096, 4180936370, 8361872740, 16723745480]

約数ペア:

[(1, 16723745480), (2, 8361872740), (4, 4180936370), (5, 3344749096), (8, 2090468185), (10, 1672374548), (13, 1286441960), (20, 836187274), (26, 643220980), (40, 418093637), (52, 321610490), (65, 257288392), (104, 160805245), (130, 128644196), (260, 64322098), (499, 33514520), (520, 32161049), (998, 16757260), (1996, 8378630), (2495, 6702904), (3992, 4189315), (4990, 3351452), (6487, 2578040), (9980, 1675726), (12974, 1289020), (19960, 837863), (25948, 644510), (32435, 515608), (51896, 322255), (64451, 259480), (64870, 257804), (128902, 129740)]