80640160

素因数分解:

$2^5\times 5^1\times {\mathrm{504001}}^1$

素因数の和:504016

約数の個数: 24

約数和(自身を含む): 190512756

約数和(自身を除く): 109872596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 504001, 1008002, 2016004, 2520005, 4032008, 5040010, 8064016, 10080020, 16128032, 20160040, 40320080, 80640160]

約数ペア:

[(1, 80640160), (2, 40320080), (4, 20160040), (5, 16128032), (8, 10080020), (10, 8064016), (16, 5040010), (20, 4032008), (32, 2520005), (40, 2016004), (80, 1008002), (160, 504001)]