20110003280

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{978113}}^1$

素因数の和:978383

約数の個数: 40

約数和(自身を含む): 46937734632

約数和(自身を除く): 26827731352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 978113, 1956226, 3912452, 4890565, 7824904, 9781130, 15649808, 19562260, 39124520, 78249040, 251375041, 502750082, 1005500164, 1256875205, 2011000328, 2513750410, 4022000656, 5027500820, 10055001640, 20110003280]

約数ペア:

[(1, 20110003280), (2, 10055001640), (4, 5027500820), (5, 4022000656), (8, 2513750410), (10, 2011000328), (16, 1256875205), (20, 1005500164), (40, 502750082), (80, 251375041), (257, 78249040), (514, 39124520), (1028, 19562260), (1285, 15649808), (2056, 9781130), (2570, 7824904), (4112, 4890565), (5140, 3912452), (10280, 1956226), (20560, 978113)]