79757140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{56167}}^1$

素因数の和:56247

約数の個数: 24

約数和(自身を含む): 169852032

約数和(自身を除く): 90094892

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 56167, 112334, 224668, 280835, 561670, 1123340, 3987857, 7975714, 15951428, 19939285, 39878570, 79757140]

約数ペア:

[(1, 79757140), (2, 39878570), (4, 19939285), (5, 15951428), (10, 7975714), (20, 3987857), (71, 1123340), (142, 561670), (284, 280835), (355, 224668), (710, 112334), (1420, 56167)]