2640500

素因数分解:

$2^2\times 5^3\times {\mathrm{5281}}^1$

素因数の和:5300

約数の個数: 24

約数和(自身を含む): 5767944

約数和(自身を除く): 3127444

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 5281, 10562, 21124, 26405, 52810, 105620, 132025, 264050, 528100, 660125, 1320250, 2640500]

約数ペア:

[(1, 2640500), (2, 1320250), (4, 660125), (5, 528100), (10, 264050), (20, 132025), (25, 105620), (50, 52810), (100, 26405), (125, 21124), (250, 10562), (500, 5281)]