38658040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10859}}^1$

素因数の和:10959

約数の個数: 32

約数和(自身を含む): 87966000

約数和(自身を除く): 49307960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 10859, 21718, 43436, 54295, 86872, 108590, 217180, 434360, 966451, 1932902, 3865804, 4832255, 7731608, 9664510, 19329020, 38658040]

約数ペア:

[(1, 38658040), (2, 19329020), (4, 9664510), (5, 7731608), (8, 4832255), (10, 3865804), (20, 1932902), (40, 966451), (89, 434360), (178, 217180), (356, 108590), (445, 86872), (712, 54295), (890, 43436), (1780, 21718), (3560, 10859)]