65691920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117307}}^1$

素因数の和:117327

約数の個数: 40

約数和(自身を含む): 174554304

約数和(自身を除く): 108862384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 117307, 234614, 469228, 586535, 821149, 938456, 1173070, 1642298, 1876912, 2346140, 3284596, 4105745, 4692280, 6569192, 8211490, 9384560, 13138384, 16422980, 32845960, 65691920]

約数ペア:

[(1, 65691920), (2, 32845960), (4, 16422980), (5, 13138384), (7, 9384560), (8, 8211490), (10, 6569192), (14, 4692280), (16, 4105745), (20, 3284596), (28, 2346140), (35, 1876912), (40, 1642298), (56, 1173070), (70, 938456), (80, 821149), (112, 586535), (140, 469228), (280, 234614), (560, 117307)]