80403640

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{8627}}^1$

素因数の和:8871

約数の個数: 32

約数和(自身を含む): 181705680

約数和(自身を除く): 101302040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 8627, 9320, 17254, 34508, 43135, 69016, 86270, 172540, 345080, 2010091, 4020182, 8040364, 10050455, 16080728, 20100910, 40201820, 80403640]

約数ペア:

[(1, 80403640), (2, 40201820), (4, 20100910), (5, 16080728), (8, 10050455), (10, 8040364), (20, 4020182), (40, 2010091), (233, 345080), (466, 172540), (932, 86270), (1165, 69016), (1864, 43135), (2330, 34508), (4660, 17254), (8627, 9320)]