1320498040

素因数分解:

$2^3\times 5^1\times {\mathrm{33012451}}^1$

素因数の和:33012462

約数の個数: 16

約数和(自身を含む): 2971120680

約数和(自身を除く): 1650622640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 33012451, 66024902, 132049804, 165062255, 264099608, 330124510, 660249020, 1320498040]

約数ペア:

[(1, 1320498040), (2, 660249020), (4, 330124510), (5, 264099608), (8, 165062255), (10, 132049804), (20, 66024902), (40, 33012451)]