201728920

素因数分解:

$2^3\times 5^1\times {\mathrm{5043223}}^1$

素因数の和:5043234

約数の個数: 16

約数和(自身を含む): 453890160

約数和(自身を除く): 252161240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5043223, 10086446, 20172892, 25216115, 40345784, 50432230, 100864460, 201728920]

約数ペア:

[(1, 201728920), (2, 100864460), (4, 50432230), (5, 40345784), (8, 25216115), (10, 20172892), (20, 10086446), (40, 5043223)]