827461520

素因数分解:

$2^4\times 5^1\times {\mathrm{10343269}}^1$

素因数の和:10343282

約数の個数: 20

約数和(自身を含む): 1923848220

約数和(自身を除く): 1096386700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10343269, 20686538, 41373076, 51716345, 82746152, 103432690, 165492304, 206865380, 413730760, 827461520]

約数ペア:

[(1, 827461520), (2, 413730760), (4, 206865380), (5, 165492304), (8, 103432690), (10, 82746152), (16, 51716345), (20, 41373076), (40, 20686538), (80, 10343269)]