20512101550

素因数分解:

$2^1\times 5^2\times {\mathrm{410242031}}^1$

素因数の和:410242043

約数の個数: 12

約数和(自身を含む): 38152508976

約数和(自身を除く): 17640407426

約数列:

[1, 2, 5, 10, 25, 50, 410242031, 820484062, 2051210155, 4102420310, 10256050775, 20512101550]

約数ペア:

[(1, 20512101550), (2, 10256050775), (5, 4102420310), (10, 2051210155), (25, 820484062), (50, 410242031)]