2540500

素因数分解:

$2^2\times 5^3\times {\mathrm{5081}}^1$

素因数の和:5100

約数の個数: 24

約数和(自身を含む): 5549544

約数和(自身を除く): 3009044

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 5081, 10162, 20324, 25405, 50810, 101620, 127025, 254050, 508100, 635125, 1270250, 2540500]

約数ペア:

[(1, 2540500), (2, 1270250), (4, 635125), (5, 508100), (10, 254050), (20, 127025), (25, 101620), (50, 50810), (100, 25405), (125, 20324), (250, 10162), (500, 5081)]