32421520

素因数分解:

$2^4\times 5^1\times {\mathrm{405269}}^1$

素因数の和:405282

約数の個数: 20

約数和(自身を含む): 75380220

約数和(自身を除く): 42958700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 405269, 810538, 1621076, 2026345, 3242152, 4052690, 6484304, 8105380, 16210760, 32421520]

約数ペア:

[(1, 32421520), (2, 16210760), (4, 8105380), (5, 6484304), (8, 4052690), (10, 3242152), (16, 2026345), (20, 1621076), (40, 810538), (80, 405269)]