201585980

素因数分解:

$2^2\times 5^1\times {\mathrm{1783}}^1\times {\mathrm{5653}}^1$

素因数の和:7445

約数の個数: 24

約数和(自身を含む): 423642912

約数和(自身を除く): 222056932

約数列:

[1, 2, 4, 5, 10, 20, 1783, 3566, 5653, 7132, 8915, 11306, 17830, 22612, 28265, 35660, 56530, 113060, 10079299, 20158598, 40317196, 50396495, 100792990, 201585980]

約数ペア:

[(1, 201585980), (2, 100792990), (4, 50396495), (5, 40317196), (10, 20158598), (20, 10079299), (1783, 113060), (3566, 56530), (5653, 35660), (7132, 28265), (8915, 22612), (11306, 17830)]