6642500

素因数分解:

$2^2\times 5^4\times {\mathrm{2657}}^1$

素因数の和:2681

約数の個数: 30

約数和(自身を含む): 14531286

約数和(自身を除く): 7888786

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 2657, 5314, 10628, 13285, 26570, 53140, 66425, 132850, 265700, 332125, 664250, 1328500, 1660625, 3321250, 6642500]

約数ペア:

[(1, 6642500), (2, 3321250), (4, 1660625), (5, 1328500), (10, 664250), (20, 332125), (25, 265700), (50, 132850), (100, 66425), (125, 53140), (250, 26570), (500, 13285), (625, 10628), (1250, 5314), (2500, 2657)]