81950480

素因数分解:

$2^4\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1187}}^1$

素因数の和:2063

約数の個数: 40

約数和(自身を含む): 190916352

約数和(自身を除く): 108965872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 863, 1187, 1726, 2374, 3452, 4315, 4748, 5935, 6904, 8630, 9496, 11870, 13808, 17260, 18992, 23740, 34520, 47480, 69040, 94960, 1024381, 2048762, 4097524, 5121905, 8195048, 10243810, 16390096, 20487620, 40975240, 81950480]

約数ペア:

[(1, 81950480), (2, 40975240), (4, 20487620), (5, 16390096), (8, 10243810), (10, 8195048), (16, 5121905), (20, 4097524), (40, 2048762), (80, 1024381), (863, 94960), (1187, 69040), (1726, 47480), (2374, 34520), (3452, 23740), (4315, 18992), (4748, 17260), (5935, 13808), (6904, 11870), (8630, 9496)]