54408920

素因数分解:

$2^3\times 5^1\times {\mathrm{1360223}}^1$

素因数の和:1360234

約数の個数: 16

約数和(自身を含む): 122420160

約数和(自身を除く): 68011240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1360223, 2720446, 5440892, 6801115, 10881784, 13602230, 27204460, 54408920]

約数ペア:

[(1, 54408920), (2, 27204460), (4, 13602230), (5, 10881784), (8, 6801115), (10, 5440892), (20, 2720446), (40, 1360223)]