2558740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4127}}^1$

素因数の和:4167

約数の個数: 24

約数和(自身を含む): 5548032

約数和(自身を除く): 2989292

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4127, 8254, 16508, 20635, 41270, 82540, 127937, 255874, 511748, 639685, 1279370, 2558740]

約数ペア:

[(1, 2558740), (2, 1279370), (4, 639685), (5, 511748), (10, 255874), (20, 127937), (31, 82540), (62, 41270), (124, 20635), (155, 16508), (310, 8254), (620, 4127)]