1780025920

素因数分解:

$2^6\times 5^1\times {\mathrm{5562581}}^1$

素因数の和:5562598

約数の個数: 28

約数和(自身を含む): 4238687484

約数和(自身を除く): 2458661564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 5562581, 11125162, 22250324, 27812905, 44500648, 55625810, 89001296, 111251620, 178002592, 222503240, 356005184, 445006480, 890012960, 1780025920]

約数ペア:

[(1, 1780025920), (2, 890012960), (4, 445006480), (5, 356005184), (8, 222503240), (10, 178002592), (16, 111251620), (20, 89001296), (32, 55625810), (40, 44500648), (64, 27812905), (80, 22250324), (160, 11125162), (320, 5562581)]