1920580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{881}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 4074840

約数和(自身を除く): 2154260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 881, 1090, 1762, 2180, 3524, 4405, 8810, 17620, 96029, 192058, 384116, 480145, 960290, 1920580]

約数ペア:

[(1, 1920580), (2, 960290), (4, 480145), (5, 384116), (10, 192058), (20, 96029), (109, 17620), (218, 8810), (436, 4405), (545, 3524), (881, 2180), (1090, 1762)]