25291840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1613}}^1$

素因数の和:1644

約数の個数: 84

約数和(自身を含む): 70102476

約数和(自身を除く): 44810636

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1613, 1960, 2240, 3136, 3226, 3920, 6452, 7840, 8065, 11291, 12904, 15680, 16130, 22582, 25808, 32260, 45164, 51616, 56455, 64520, 79037, 90328, 103232, 112910, 129040, 158074, 180656, 225820, 258080, 316148, 361312, 395185, 451640, 516160, 632296, 722624, 790370, 903280, 1264592, 1580740, 1806560, 2529184, 3161480, 3613120, 5058368, 6322960, 12645920, 25291840]

約数ペア:

[(1, 25291840), (2, 12645920), (4, 6322960), (5, 5058368), (7, 3613120), (8, 3161480), (10, 2529184), (14, 1806560), (16, 1580740), (20, 1264592), (28, 903280), (32, 790370), (35, 722624), (40, 632296), (49, 516160), (56, 451640), (64, 395185), (70, 361312), (80, 316148), (98, 258080), (112, 225820), (140, 180656), (160, 158074), (196, 129040), (224, 112910), (245, 103232), (280, 90328), (320, 79037), (392, 64520), (448, 56455), (490, 51616), (560, 45164), (784, 32260), (980, 25808), (1120, 22582), (1568, 16130), (1613, 15680), (1960, 12904), (2240, 11291), (3136, 8065), (3226, 7840), (3920, 6452)]