142207640

素因数分解:

$2^3\times 5^1\times {\mathrm{3555191}}^1$

素因数の和:3555202

約数の個数: 16

約数和(自身を含む): 319967280

約数和(自身を除く): 177759640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3555191, 7110382, 14220764, 17775955, 28441528, 35551910, 71103820, 142207640]

約数ペア:

[(1, 142207640), (2, 71103820), (4, 35551910), (5, 28441528), (8, 17775955), (10, 14220764), (20, 7110382), (40, 3555191)]