84331640

素因数分解:

$2^3\times 5^1\times {\mathrm{2108291}}^1$

素因数の和:2108302

約数の個数: 16

約数和(自身を含む): 189746280

約数和(自身を除く): 105414640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2108291, 4216582, 8433164, 10541455, 16866328, 21082910, 42165820, 84331640]

約数ペア:

[(1, 84331640), (2, 42165820), (4, 21082910), (5, 16866328), (8, 10541455), (10, 8433164), (20, 4216582), (40, 2108291)]