201819160

素因数分解:

$2^3\times 5^1\times {\mathrm{5045479}}^1$

素因数の和:5045490

約数の個数: 16

約数和(自身を含む): 454093200

約数和(自身を除く): 252274040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5045479, 10090958, 20181916, 25227395, 40363832, 50454790, 100909580, 201819160]

約数ペア:

[(1, 201819160), (2, 100909580), (4, 50454790), (5, 40363832), (8, 25227395), (10, 20181916), (20, 10090958), (40, 5045479)]