25839904

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 52889760

約数和(自身を除く): 27049856

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 89, 172, 178, 211, 344, 356, 422, 688, 712, 844, 1376, 1424, 1688, 2848, 3376, 3827, 6752, 7654, 9073, 15308, 18146, 18779, 30616, 36292, 37558, 61232, 72584, 75116, 122464, 145168, 150232, 290336, 300464, 600928, 807497, 1614994, 3229988, 6459976, 12919952, 25839904]

約数ペア:

[(1, 25839904), (2, 12919952), (4, 6459976), (8, 3229988), (16, 1614994), (32, 807497), (43, 600928), (86, 300464), (89, 290336), (172, 150232), (178, 145168), (211, 122464), (344, 75116), (356, 72584), (422, 61232), (688, 37558), (712, 36292), (844, 30616), (1376, 18779), (1424, 18146), (1688, 15308), (2848, 9073), (3376, 7654), (3827, 6752)]