1808230280

素因数分解:

$2^3\times 5^1\times {\mathrm{45205757}}^1$

素因数の和:45205768

約数の個数: 16

約数和(自身を含む): 4068518220

約数和(自身を除く): 2260287940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 45205757, 90411514, 180823028, 226028785, 361646056, 452057570, 904115140, 1808230280]

約数ペア:

[(1, 1808230280), (2, 904115140), (4, 452057570), (5, 361646056), (8, 226028785), (10, 180823028), (20, 90411514), (40, 45205757)]