2788896980

素因数分解:

$2^2\times 5^1\times {\mathrm{5501}}^1\times {\mathrm{25349}}^1$

素因数の和:30859

約数の個数: 24

約数和(自身を含む): 5857979400

約数和(自身を除く): 3069082420

約数列:

[1, 2, 4, 5, 10, 20, 5501, 11002, 22004, 25349, 27505, 50698, 55010, 101396, 110020, 126745, 253490, 506980, 139444849, 278889698, 557779396, 697224245, 1394448490, 2788896980]

約数ペア:

[(1, 2788896980), (2, 1394448490), (4, 697224245), (5, 557779396), (10, 278889698), (20, 139444849), (5501, 506980), (11002, 253490), (22004, 126745), (25349, 110020), (27505, 101396), (50698, 55010)]