208348640

素因数分解:

$2^5\times 5^1\times {\mathrm{1302179}}^1$

素因数の和:1302194

約数の個数: 24

約数和(自身を含む): 492224040

約数和(自身を除く): 283875400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1302179, 2604358, 5208716, 6510895, 10417432, 13021790, 20834864, 26043580, 41669728, 52087160, 104174320, 208348640]

約数ペア:

[(1, 208348640), (2, 104174320), (4, 52087160), (5, 41669728), (8, 26043580), (10, 20834864), (16, 13021790), (20, 10417432), (32, 6510895), (40, 5208716), (80, 2604358), (160, 1302179)]