437680

素因数分解:

$2^4\times 5^1\times {\mathrm{5471}}^1$

素因数の和:5484

約数の個数: 20

約数和(自身を含む): 1017792

約数和(自身を除く): 580112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5471, 10942, 21884, 27355, 43768, 54710, 87536, 109420, 218840, 437680]

約数ペア:

[(1, 437680), (2, 218840), (4, 109420), (5, 87536), (8, 54710), (10, 43768), (16, 27355), (20, 21884), (40, 10942), (80, 5471)]