201242120

素因数分解:

$2^3\times 5^1\times {\mathrm{2113}}^1\times {\mathrm{2381}}^1$

素因数の和:4505

約数の個数: 32

約数和(自身を含む): 453199320

約数和(自身を除く): 251957200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2113, 2381, 4226, 4762, 8452, 9524, 10565, 11905, 16904, 19048, 21130, 23810, 42260, 47620, 84520, 95240, 5031053, 10062106, 20124212, 25155265, 40248424, 50310530, 100621060, 201242120]

約数ペア:

[(1, 201242120), (2, 100621060), (4, 50310530), (5, 40248424), (8, 25155265), (10, 20124212), (20, 10062106), (40, 5031053), (2113, 95240), (2381, 84520), (4226, 47620), (4762, 42260), (8452, 23810), (9524, 21130), (10565, 19048), (11905, 16904)]