78989020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359041}}^1$

素因数の和:359061

約数の個数: 24

約数和(自身を含む): 180957168

約数和(自身を除く): 101968148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 359041, 718082, 1436164, 1795205, 3590410, 3949451, 7180820, 7898902, 15797804, 19747255, 39494510, 78989020]

約数ペア:

[(1, 78989020), (2, 39494510), (4, 19747255), (5, 15797804), (10, 7898902), (11, 7180820), (20, 3949451), (22, 3590410), (44, 1795205), (55, 1436164), (110, 718082), (220, 359041)]