538040

素因数分解:

$2^3\times 5^1\times {\mathrm{13451}}^1$

素因数の和:13462

約数の個数: 16

約数和(自身を含む): 1210680

約数和(自身を除く): 672640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13451, 26902, 53804, 67255, 107608, 134510, 269020, 538040]

約数ペア:

[(1, 538040), (2, 269020), (4, 134510), (5, 107608), (8, 67255), (10, 53804), (20, 26902), (40, 13451)]