201712240

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{12799}}^1$

素因数の和:13009

約数の個数: 40

約数和(自身を含む): 471398400

約数和(自身を除く): 269686160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 12799, 15760, 25598, 51196, 63995, 102392, 127990, 204784, 255980, 511960, 1023920, 2521403, 5042806, 10085612, 12607015, 20171224, 25214030, 40342448, 50428060, 100856120, 201712240]

約数ペア:

[(1, 201712240), (2, 100856120), (4, 50428060), (5, 40342448), (8, 25214030), (10, 20171224), (16, 12607015), (20, 10085612), (40, 5042806), (80, 2521403), (197, 1023920), (394, 511960), (788, 255980), (985, 204784), (1576, 127990), (1970, 102392), (3152, 63995), (3940, 51196), (7880, 25598), (12799, 15760)]