18170720

素因数分解:

$2^5\times 5^1\times {\mathrm{113567}}^1$

素因数の和:113582

約数の個数: 24

約数和(自身を含む): 42928704

約数和(自身を除く): 24757984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 113567, 227134, 454268, 567835, 908536, 1135670, 1817072, 2271340, 3634144, 4542680, 9085360, 18170720]

約数ペア:

[(1, 18170720), (2, 9085360), (4, 4542680), (5, 3634144), (8, 2271340), (10, 1817072), (16, 1135670), (20, 908536), (32, 567835), (40, 454268), (80, 227134), (160, 113567)]