28378040

素因数分解:

$2^3\times 5^1\times {\mathrm{709451}}^1$

素因数の和:709462

約数の個数: 16

約数和(自身を含む): 63850680

約数和(自身を除く): 35472640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709451, 1418902, 2837804, 3547255, 5675608, 7094510, 14189020, 28378040]

約数ペア:

[(1, 28378040), (2, 14189020), (4, 7094510), (5, 5675608), (8, 3547255), (10, 2837804), (20, 1418902), (40, 709451)]