80857160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106391}}^1$

素因数の和:106421

約数の個数: 32

約数和(自身を含む): 191505600

約数和(自身を除く): 110648440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 106391, 212782, 425564, 531955, 851128, 1063910, 2021429, 2127820, 4042858, 4255640, 8085716, 10107145, 16171432, 20214290, 40428580, 80857160]

約数ペア:

[(1, 80857160), (2, 40428580), (4, 20214290), (5, 16171432), (8, 10107145), (10, 8085716), (19, 4255640), (20, 4042858), (38, 2127820), (40, 2021429), (76, 1063910), (95, 851128), (152, 531955), (190, 425564), (380, 212782), (760, 106391)]