211152080

素因数分解:

$2^4\times 5^1\times {\mathrm{2639401}}^1$

素因数の和:2639414

約数の個数: 20

約数和(自身を含む): 490928772

約数和(自身を除く): 279776692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2639401, 5278802, 10557604, 13197005, 21115208, 26394010, 42230416, 52788020, 105576040, 211152080]

約数ペア:

[(1, 211152080), (2, 105576040), (4, 52788020), (5, 42230416), (8, 26394010), (10, 21115208), (16, 13197005), (20, 10557604), (40, 5278802), (80, 2639401)]