87472240

素因数分解:

$2^4\times 5^1\times {\mathrm{1093403}}^1$

素因数の和:1093416

約数の個数: 20

約数和(自身を含む): 203373144

約数和(自身を除く): 115900904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1093403, 2186806, 4373612, 5467015, 8747224, 10934030, 17494448, 21868060, 43736120, 87472240]

約数ペア:

[(1, 87472240), (2, 43736120), (4, 21868060), (5, 17494448), (8, 10934030), (10, 8747224), (16, 5467015), (20, 4373612), (40, 2186806), (80, 1093403)]