80032040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181891}}^1$

素因数の和:181913

約数の個数: 32

約数和(自身を含む): 196443360

約数和(自身を除く): 116411320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 181891, 363782, 727564, 909455, 1455128, 1818910, 2000801, 3637820, 4001602, 7275640, 8003204, 10004005, 16006408, 20008010, 40016020, 80032040]

約数ペア:

[(1, 80032040), (2, 40016020), (4, 20008010), (5, 16006408), (8, 10004005), (10, 8003204), (11, 7275640), (20, 4001602), (22, 3637820), (40, 2000801), (44, 1818910), (55, 1455128), (88, 909455), (110, 727564), (220, 363782), (440, 181891)]