2018221880

素因数分解:

$2^3\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{39511}}^1$

素因数の和:40799

約数の個数: 32

約数和(自身を含む): 4544670240

約数和(自身を除く): 2526448360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277, 2554, 5108, 6385, 10216, 12770, 25540, 39511, 51080, 79022, 158044, 197555, 316088, 395110, 790220, 1580440, 50455547, 100911094, 201822188, 252277735, 403644376, 504555470, 1009110940, 2018221880]

約数ペア:

[(1, 2018221880), (2, 1009110940), (4, 504555470), (5, 403644376), (8, 252277735), (10, 201822188), (20, 100911094), (40, 50455547), (1277, 1580440), (2554, 790220), (5108, 395110), (6385, 316088), (10216, 197555), (12770, 158044), (25540, 79022), (39511, 51080)]