80468816

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{56509}}^1$

素因数の和:56606

約数の個数: 20

約数和(自身を含む): 157662900

約数和(自身を除く): 77194084

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 56509, 113018, 226036, 452072, 904144, 5029301, 10058602, 20117204, 40234408, 80468816]

約数ペア:

[(1, 80468816), (2, 40234408), (4, 20117204), (8, 10058602), (16, 5029301), (89, 904144), (178, 452072), (356, 226036), (712, 113018), (1424, 56509)]