53157680

素因数分解:

$2^4\times 5^1\times {\mathrm{664471}}^1$

素因数の和:664484

約数の個数: 20

約数和(自身を含む): 123591792

約数和(自身を除く): 70434112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 664471, 1328942, 2657884, 3322355, 5315768, 6644710, 10631536, 13289420, 26578840, 53157680]

約数ペア:

[(1, 53157680), (2, 26578840), (4, 13289420), (5, 10631536), (8, 6644710), (10, 5315768), (16, 3322355), (20, 2657884), (40, 1328942), (80, 664471)]