4102040

素因数分解:

$2^3\times 5^1\times {\mathrm{102551}}^1$

素因数の和:102562

約数の個数: 16

約数和(自身を含む): 9229680

約数和(自身を除く): 5127640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 102551, 205102, 410204, 512755, 820408, 1025510, 2051020, 4102040]

約数ペア:

[(1, 4102040), (2, 2051020), (4, 1025510), (5, 820408), (8, 512755), (10, 410204), (20, 205102), (40, 102551)]