2520500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^2$

素因数の和:161

約数の個数: 36

約数和(自身を含む): 5583396

約数和(自身を除く): 3062896

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 710, 1420, 1775, 3550, 5041, 7100, 8875, 10082, 17750, 20164, 25205, 35500, 50410, 100820, 126025, 252050, 504100, 630125, 1260250, 2520500]

約数ペア:

[(1, 2520500), (2, 1260250), (4, 630125), (5, 504100), (10, 252050), (20, 126025), (25, 100820), (50, 50410), (71, 35500), (100, 25205), (125, 20164), (142, 17750), (250, 10082), (284, 8875), (355, 7100), (500, 5041), (710, 3550), (1420, 1775)]