2552500

素因数分解:

$2^2\times 5^4\times {\mathrm{1021}}^1$

素因数の和:1045

約数の個数: 30

約数和(自身を含む): 5587274

約数和(自身を除く): 3034774

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1021, 1250, 2042, 2500, 4084, 5105, 10210, 20420, 25525, 51050, 102100, 127625, 255250, 510500, 638125, 1276250, 2552500]

約数ペア:

[(1, 2552500), (2, 1276250), (4, 638125), (5, 510500), (10, 255250), (20, 127625), (25, 102100), (50, 51050), (100, 25525), (125, 20420), (250, 10210), (500, 5105), (625, 4084), (1021, 2500), (1250, 2042)]