1638080

素因数分解:

$2^6\times 5^1\times {\mathrm{5119}}^1$

素因数の和:5136

約数の個数: 28

約数和(自身を含む): 3901440

約数和(自身を除く): 2263360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 5119, 10238, 20476, 25595, 40952, 51190, 81904, 102380, 163808, 204760, 327616, 409520, 819040, 1638080]

約数ペア:

[(1, 1638080), (2, 819040), (4, 409520), (5, 327616), (8, 204760), (10, 163808), (16, 102380), (20, 81904), (32, 51190), (40, 40952), (64, 25595), (80, 20476), (160, 10238), (320, 5119)]