89820040

素因数分解:

$2^3\times 5^1\times {\mathrm{2245501}}^1$

素因数の和:2245512

約数の個数: 16

約数和(自身を含む): 202095180

約数和(自身を除く): 112275140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2245501, 4491002, 8982004, 11227505, 17964008, 22455010, 44910020, 89820040]

約数ペア:

[(1, 89820040), (2, 44910020), (4, 22455010), (5, 17964008), (8, 11227505), (10, 8982004), (20, 4491002), (40, 2245501)]