4498040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 10206000

約数和(自身を除く): 5707960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 809, 1112, 1390, 1618, 2780, 3236, 4045, 5560, 6472, 8090, 16180, 32360, 112451, 224902, 449804, 562255, 899608, 1124510, 2249020, 4498040]

約数ペア:

[(1, 4498040), (2, 2249020), (4, 1124510), (5, 899608), (8, 562255), (10, 449804), (20, 224902), (40, 112451), (139, 32360), (278, 16180), (556, 8090), (695, 6472), (809, 5560), (1112, 4045), (1390, 3236), (1618, 2780)]