4387592620

素因数分解:

$2^2\times 5^1\times {\mathrm{219379631}}^1$

素因数の和:219379640

約数の個数: 12

約数和(自身を含む): 9213944544

約数和(自身を除く): 4826351924

約数列:

[1, 2, 4, 5, 10, 20, 219379631, 438759262, 877518524, 1096898155, 2193796310, 4387592620]

約数ペア:

[(1, 4387592620), (2, 2193796310), (4, 1096898155), (5, 877518524), (10, 438759262), (20, 219379631)]