80573110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2131}}^1$

素因数の和:2356

約数の個数: 32

約数和(自身を含む): 153504000

約数和(自身を除く): 72930890

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 995, 1990, 2131, 3781, 4262, 7562, 10655, 18905, 21310, 37810, 40489, 80978, 202445, 404890, 424069, 848138, 2120345, 4240690, 8057311, 16114622, 40286555, 80573110]

約数ペア:

[(1, 80573110), (2, 40286555), (5, 16114622), (10, 8057311), (19, 4240690), (38, 2120345), (95, 848138), (190, 424069), (199, 404890), (398, 202445), (995, 80978), (1990, 40489), (2131, 37810), (3781, 21310), (4262, 18905), (7562, 10655)]