88743280

素因数分解:

$2^4\times 5^1\times {\mathrm{1109291}}^1$

素因数の和:1109304

約数の個数: 20

約数和(自身を含む): 206328312

約数和(自身を除く): 117585032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1109291, 2218582, 4437164, 5546455, 8874328, 11092910, 17748656, 22185820, 44371640, 88743280]

約数ペア:

[(1, 88743280), (2, 44371640), (4, 22185820), (5, 17748656), (8, 11092910), (10, 8874328), (16, 5546455), (20, 4437164), (40, 2218582), (80, 1109291)]