161776040

素因数分解:

$2^3\times 5^1\times {\mathrm{4044401}}^1$

素因数の和:4044412

約数の個数: 16

約数和(自身を含む): 363996180

約数和(自身を除く): 202220140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4044401, 8088802, 16177604, 20222005, 32355208, 40444010, 80888020, 161776040]

約数ペア:

[(1, 161776040), (2, 80888020), (4, 40444010), (5, 32355208), (8, 20222005), (10, 16177604), (20, 8088802), (40, 4044401)]