12645920

素因数分解:

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

素因数の和:1642

約数の個数: 72

約数和(自身を含む): 34775244

約数和(自身を除く): 22129324

約数列:

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

約数ペア:

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