2540060

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 5397840

約数和(自身を除く): 2857780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1427, 1780, 2854, 5708, 7135, 14270, 28540, 127003, 254006, 508012, 635015, 1270030, 2540060]

約数ペア:

[(1, 2540060), (2, 1270030), (4, 635015), (5, 508012), (10, 254006), (20, 127003), (89, 28540), (178, 14270), (356, 7135), (445, 5708), (890, 2854), (1427, 1780)]