80260820

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{9311}}^1$

素因数の和:9751

約数の個数: 24

約数和(自身を含む): 168956928

約数和(自身を除く): 88696108

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 9311, 18622, 37244, 46555, 93110, 186220, 4013041, 8026082, 16052164, 20065205, 40130410, 80260820]

約数ペア:

[(1, 80260820), (2, 40130410), (4, 20065205), (5, 16052164), (10, 8026082), (20, 4013041), (431, 186220), (862, 93110), (1724, 46555), (2155, 37244), (4310, 18622), (8620, 9311)]