1684040

素因数分解:

$2^3\times 5^1\times {\mathrm{42101}}^1$

素因数の和:42112

約数の個数: 16

約数和(自身を含む): 3789180

約数和(自身を除く): 2105140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 42101, 84202, 168404, 210505, 336808, 421010, 842020, 1684040]

約数ペア:

[(1, 1684040), (2, 842020), (4, 421010), (5, 336808), (8, 210505), (10, 168404), (20, 84202), (40, 42101)]