2085520

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 4910400

約数和(自身を除く): 2824880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 199, 262, 398, 524, 655, 796, 995, 1048, 1310, 1592, 1990, 2096, 2620, 3184, 3980, 5240, 7960, 10480, 15920, 26069, 52138, 104276, 130345, 208552, 260690, 417104, 521380, 1042760, 2085520]

約数ペア:

[(1, 2085520), (2, 1042760), (4, 521380), (5, 417104), (8, 260690), (10, 208552), (16, 130345), (20, 104276), (40, 52138), (80, 26069), (131, 15920), (199, 10480), (262, 7960), (398, 5240), (524, 3980), (655, 3184), (796, 2620), (995, 2096), (1048, 1990), (1310, 1592)]