2865780140

素因数分解:

$2^2\times 5^1\times {\mathrm{143289007}}^1$

素因数の和:143289016

約数の個数: 12

約数和(自身を含む): 6018138336

約数和(自身を除く): 3152358196

約数列:

[1, 2, 4, 5, 10, 20, 143289007, 286578014, 573156028, 716445035, 1432890070, 2865780140]

約数ペア:

[(1, 2865780140), (2, 1432890070), (4, 716445035), (5, 573156028), (10, 286578014), (20, 143289007)]