2019480880

素因数分解:

$2^4\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{19463}}^1$

素因数の和:20773

約数の個数: 40

約数和(自身を含む): 4699154592

約数和(自身を除く): 2679673712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1297, 2594, 5188, 6485, 10376, 12970, 19463, 20752, 25940, 38926, 51880, 77852, 97315, 103760, 155704, 194630, 311408, 389260, 778520, 1557040, 25243511, 50487022, 100974044, 126217555, 201948088, 252435110, 403896176, 504870220, 1009740440, 2019480880]

約数ペア:

[(1, 2019480880), (2, 1009740440), (4, 504870220), (5, 403896176), (8, 252435110), (10, 201948088), (16, 126217555), (20, 100974044), (40, 50487022), (80, 25243511), (1297, 1557040), (2594, 778520), (5188, 389260), (6485, 311408), (10376, 194630), (12970, 155704), (19463, 103760), (20752, 97315), (25940, 77852), (38926, 51880)]