80111438

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 141916320

約数和(自身を除く): 61804882

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 121, 242, 253, 389, 407, 506, 778, 814, 851, 1702, 2783, 4279, 4477, 5566, 8558, 8947, 8954, 9361, 14393, 17894, 18722, 28786, 47069, 94138, 98417, 102971, 158323, 196834, 205942, 316646, 331039, 662078, 1082587, 1741553, 2165174, 3483106, 3641429, 7282858, 40055719, 80111438]

約数ペア:

[(1, 80111438), (2, 40055719), (11, 7282858), (22, 3641429), (23, 3483106), (37, 2165174), (46, 1741553), (74, 1082587), (121, 662078), (242, 331039), (253, 316646), (389, 205942), (407, 196834), (506, 158323), (778, 102971), (814, 98417), (851, 94138), (1702, 47069), (2783, 28786), (4279, 18722), (4477, 17894), (5566, 14393), (8558, 9361), (8947, 8954)]