2018631920

素因数分解:

$2^4\times 5^1\times {\mathrm{25232899}}^1$

素因数の和:25232912

約数の個数: 20

約数和(自身を含む): 4693319400

約数和(自身を除く): 2674687480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25232899, 50465798, 100931596, 126164495, 201863192, 252328990, 403726384, 504657980, 1009315960, 2018631920]

約数ペア:

[(1, 2018631920), (2, 1009315960), (4, 504657980), (5, 403726384), (8, 252328990), (10, 201863192), (16, 126164495), (20, 100931596), (40, 50465798), (80, 25232899)]