2010204520

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{92893}}^1$

素因数の和:93445

約数の個数: 32

約数和(自身を含む): 4531369320

約数和(自身を除く): 2521164800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 10820, 21640, 92893, 185786, 371572, 464465, 743144, 928930, 1857860, 3715720, 50255113, 100510226, 201020452, 251275565, 402040904, 502551130, 1005102260, 2010204520]

約数ペア:

[(1, 2010204520), (2, 1005102260), (4, 502551130), (5, 402040904), (8, 251275565), (10, 201020452), (20, 100510226), (40, 50255113), (541, 3715720), (1082, 1857860), (2164, 928930), (2705, 743144), (4328, 464465), (5410, 371572), (10820, 185786), (21640, 92893)]