4006538.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16127}}^1$

素因数の和:16225

約数の個数: 24

約数和(自身を含む): 60963840

約数和(自身を除く): 32257780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 16127, 32254, 64508, 80635, 161270, 322540, 1435303, 2870606, 5741212, 7176515, 14353030, 28706060]

約数ペア:

[(1, 28706060), (2, 14353030), (4, 7176515), (5, 5741212), (10, 2870606), (20, 1435303), (89, 322540), (178, 161270), (356, 80635), (445, 64508), (890, 32254), (1780, 16127)]