5281040

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:527

約数の個数: 40

約数和(自身を含む): 12374208

約数和(自身を除く): 7093168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 263, 502, 526, 1004, 1052, 1255, 1315, 2008, 2104, 2510, 2630, 4016, 4208, 5020, 5260, 10040, 10520, 20080, 21040, 66013, 132026, 264052, 330065, 528104, 660130, 1056208, 1320260, 2640520, 5281040]

約数ペア:

[(1, 5281040), (2, 2640520), (4, 1320260), (5, 1056208), (8, 660130), (10, 528104), (16, 330065), (20, 264052), (40, 132026), (80, 66013), (251, 21040), (263, 20080), (502, 10520), (526, 10040), (1004, 5260), (1052, 5020), (1255, 4208), (1315, 4016), (2008, 2630), (2104, 2510)]