72447160

素因数分解:

$2^3\times 5^1\times {\mathrm{1811179}}^1$

素因数の和:1811190

約数の個数: 16

約数和(自身を含む): 163006200

約数和(自身を除く): 90559040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1811179, 3622358, 7244716, 9055895, 14489432, 18111790, 36223580, 72447160]

約数ペア:

[(1, 72447160), (2, 36223580), (4, 18111790), (5, 14489432), (8, 9055895), (10, 7244716), (20, 3622358), (40, 1811179)]