23385640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6569}}^1$

素因数の和:6669

約数の個数: 32

約数和(自身を含む): 53217000

約数和(自身を除く): 29831360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 6569, 13138, 26276, 32845, 52552, 65690, 131380, 262760, 584641, 1169282, 2338564, 2923205, 4677128, 5846410, 11692820, 23385640]

約数ペア:

[(1, 23385640), (2, 11692820), (4, 5846410), (5, 4677128), (8, 2923205), (10, 2338564), (20, 1169282), (40, 584641), (89, 262760), (178, 131380), (356, 65690), (445, 52552), (712, 32845), (890, 26276), (1780, 13138), (3560, 6569)]