80885740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311099}}^1$

素因数の和:311121

約数の個数: 24

約数和(自身を含む): 182926800

約数和(自身を除く): 102041060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311099, 622198, 1244396, 1555495, 3110990, 4044287, 6221980, 8088574, 16177148, 20221435, 40442870, 80885740]

約数ペア:

[(1, 80885740), (2, 40442870), (4, 20221435), (5, 16177148), (10, 8088574), (13, 6221980), (20, 4044287), (26, 3110990), (52, 1555495), (65, 1244396), (130, 622198), (260, 311099)]