42771640

素因数分解:

$2^3\times 5^1\times {\mathrm{1069291}}^1$

素因数の和:1069302

約数の個数: 16

約数和(自身を含む): 96236280

約数和(自身を除く): 53464640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1069291, 2138582, 4277164, 5346455, 8554328, 10692910, 21385820, 42771640]

約数ペア:

[(1, 42771640), (2, 21385820), (4, 10692910), (5, 8554328), (8, 5346455), (10, 4277164), (20, 2138582), (40, 1069291)]