11123458520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3124567}}^1$

素因数の和:3124667

約数の個数: 32

約数和(自身を含む): 25309000800

約数和(自身を除く): 14185542280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3124567, 6249134, 12498268, 15622835, 24996536, 31245670, 62491340, 124982680, 278086463, 556172926, 1112345852, 1390432315, 2224691704, 2780864630, 5561729260, 11123458520]

約数ペア:

[(1, 11123458520), (2, 5561729260), (4, 2780864630), (5, 2224691704), (8, 1390432315), (10, 1112345852), (20, 556172926), (40, 278086463), (89, 124982680), (178, 62491340), (356, 31245670), (445, 24996536), (712, 15622835), (890, 12498268), (1780, 6249134), (3560, 3124567)]