152905520

素因数分解:

$2^4\times 5^1\times {\mathrm{1911319}}^1$

素因数の和:1911332

約数の個数: 20

約数和(自身を含む): 355505520

約数和(自身を除く): 202600000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1911319, 3822638, 7645276, 9556595, 15290552, 19113190, 30581104, 38226380, 76452760, 152905520]

約数ペア:

[(1, 152905520), (2, 76452760), (4, 38226380), (5, 30581104), (8, 19113190), (10, 15290552), (16, 9556595), (20, 7645276), (40, 3822638), (80, 1911319)]