80350400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3863}}^1$

素因数の和:3898

約数の個数: 84

約数和(自身を含む): 212975952

約数和(自身を除く): 132625552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1300, 1600, 2080, 2600, 3863, 4160, 5200, 7726, 10400, 15452, 19315, 20800, 30904, 38630, 50219, 61808, 77260, 96575, 100438, 123616, 154520, 193150, 200876, 247232, 251095, 309040, 386300, 401752, 502190, 618080, 772600, 803504, 1004380, 1236160, 1255475, 1545200, 1607008, 2008760, 2510950, 3090400, 3214016, 4017520, 5021900, 6180800, 8035040, 10043800, 16070080, 20087600, 40175200, 80350400]

約数ペア:

[(1, 80350400), (2, 40175200), (4, 20087600), (5, 16070080), (8, 10043800), (10, 8035040), (13, 6180800), (16, 5021900), (20, 4017520), (25, 3214016), (26, 3090400), (32, 2510950), (40, 2008760), (50, 1607008), (52, 1545200), (64, 1255475), (65, 1236160), (80, 1004380), (100, 803504), (104, 772600), (130, 618080), (160, 502190), (200, 401752), (208, 386300), (260, 309040), (320, 251095), (325, 247232), (400, 200876), (416, 193150), (520, 154520), (650, 123616), (800, 100438), (832, 96575), (1040, 77260), (1300, 61808), (1600, 50219), (2080, 38630), (2600, 30904), (3863, 20800), (4160, 19315), (5200, 15452), (7726, 10400)]