998080

素因数分解:

$2^6\times 5^1\times {\mathrm{3119}}^1$

素因数の和:3136

約数の個数: 28

約数和(自身を含む): 2377440

約数和(自身を除く): 1379360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3119, 6238, 12476, 15595, 24952, 31190, 49904, 62380, 99808, 124760, 199616, 249520, 499040, 998080]

約数ペア:

[(1, 998080), (2, 499040), (4, 249520), (5, 199616), (8, 124760), (10, 99808), (16, 62380), (20, 49904), (32, 31190), (40, 24952), (64, 15595), (80, 12476), (160, 6238), (320, 3119)]