996901520

素因数分解:

$2^4\times 5^1\times {\mathrm{12461269}}^1$

素因数の和:12461282

約数の個数: 20

約数和(自身を含む): 2317796220

約数和(自身を除く): 1320894700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12461269, 24922538, 49845076, 62306345, 99690152, 124612690, 199380304, 249225380, 498450760, 996901520]

約数ペア:

[(1, 996901520), (2, 498450760), (4, 249225380), (5, 199380304), (8, 124612690), (10, 99690152), (16, 62306345), (20, 49845076), (40, 24922538), (80, 12461269)]