2912891920

素因数分解:

$2^4\times 5^1\times {\mathrm{36411149}}^1$

素因数の和:36411162

約数の個数: 20

約数和(自身を含む): 6772473900

約数和(自身を除く): 3859581980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 36411149, 72822298, 145644596, 182055745, 291289192, 364111490, 582578384, 728222980, 1456445960, 2912891920]

約数ペア:

[(1, 2912891920), (2, 1456445960), (4, 728222980), (5, 582578384), (8, 364111490), (10, 291289192), (16, 182055745), (20, 145644596), (40, 72822298), (80, 36411149)]