51027500

素因数分解:

$2^2\times 5^4\times {\mathrm{20411}}^1$

素因数の和:20435

約数の個数: 30

約数和(自身を含む): 111592404

約数和(自身を除く): 60564904

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 20411, 40822, 81644, 102055, 204110, 408220, 510275, 1020550, 2041100, 2551375, 5102750, 10205500, 12756875, 25513750, 51027500]

約数ペア:

[(1, 51027500), (2, 25513750), (4, 12756875), (5, 10205500), (10, 5102750), (20, 2551375), (25, 2041100), (50, 1020550), (100, 510275), (125, 408220), (250, 204110), (500, 102055), (625, 81644), (1250, 40822), (2500, 20411)]