1026207640

素因数分解:

$2^3\times 5^1\times {\mathrm{25655191}}^1$

素因数の和:25655202

約数の個数: 16

約数和(自身を含む): 2308967280

約数和(自身を除く): 1282759640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 25655191, 51310382, 102620764, 128275955, 205241528, 256551910, 513103820, 1026207640]

約数ペア:

[(1, 1026207640), (2, 513103820), (4, 256551910), (5, 205241528), (8, 128275955), (10, 102620764), (20, 51310382), (40, 25655191)]