12897520

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{613}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 30149856

約数和(自身を除く): 17252336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 613, 1052, 1226, 1315, 2104, 2452, 2630, 3065, 4208, 4904, 5260, 6130, 9808, 10520, 12260, 21040, 24520, 49040, 161219, 322438, 644876, 806095, 1289752, 1612190, 2579504, 3224380, 6448760, 12897520]

約数ペア:

[(1, 12897520), (2, 6448760), (4, 3224380), (5, 2579504), (8, 1612190), (10, 1289752), (16, 806095), (20, 644876), (40, 322438), (80, 161219), (263, 49040), (526, 24520), (613, 21040), (1052, 12260), (1226, 10520), (1315, 9808), (2104, 6130), (2452, 5260), (2630, 4904), (3065, 4208)]