54408040

素因数分解:

$2^3\times 5^1\times {\mathrm{1360201}}^1$

素因数の和:1360212

約数の個数: 16

約数和(自身を含む): 122418180

約数和(自身を除く): 68010140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1360201, 2720402, 5440804, 6801005, 10881608, 13602010, 27204020, 54408040]

約数ペア:

[(1, 54408040), (2, 27204020), (4, 13602010), (5, 10881608), (8, 6801005), (10, 5440804), (20, 2720402), (40, 1360201)]