819040

素因数分解:

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

素因数の和:5134

約数の個数: 24

約数和(自身を含む): 1935360

約数和(自身を除く): 1116320

約数列:

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

約数ペア:

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