12762500

素因数分解:

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

素因数の和:1050

約数の個数: 36

約数和(自身を含む): 27943524

約数和(自身を除く): 15181024

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1021, 1250, 2042, 2500, 3125, 4084, 5105, 6250, 10210, 12500, 20420, 25525, 51050, 102100, 127625, 255250, 510500, 638125, 1276250, 2552500, 3190625, 6381250, 12762500]

約数ペア:

[(1, 12762500), (2, 6381250), (4, 3190625), (5, 2552500), (10, 1276250), (20, 638125), (25, 510500), (50, 255250), (100, 127625), (125, 102100), (250, 51050), (500, 25525), (625, 20420), (1021, 12500), (1250, 10210), (2042, 6250), (2500, 5105), (3125, 4084)]