40321520

素因数分解:

$2^4\times 5^1\times {\mathrm{701}}^1\times {\mathrm{719}}^1$

素因数の和:1433

約数の個数: 40

約数和(自身を含む): 94011840

約数和(自身を除く): 53690320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 701, 719, 1402, 1438, 2804, 2876, 3505, 3595, 5608, 5752, 7010, 7190, 11216, 11504, 14020, 14380, 28040, 28760, 56080, 57520, 504019, 1008038, 2016076, 2520095, 4032152, 5040190, 8064304, 10080380, 20160760, 40321520]

約数ペア:

[(1, 40321520), (2, 20160760), (4, 10080380), (5, 8064304), (8, 5040190), (10, 4032152), (16, 2520095), (20, 2016076), (40, 1008038), (80, 504019), (701, 57520), (719, 56080), (1402, 28760), (1438, 28040), (2804, 14380), (2876, 14020), (3505, 11504), (3595, 11216), (5608, 7190), (5752, 7010)]