12846100

素因数分解:

$2^2\times 5^2\times {\mathrm{128461}}^1$

素因数の和:128475

約数の個数: 18

約数和(自身を含む): 27876254

約数和(自身を除く): 15030154

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 128461, 256922, 513844, 642305, 1284610, 2569220, 3211525, 6423050, 12846100]

約数ペア:

[(1, 12846100), (2, 6423050), (4, 3211525), (5, 2569220), (10, 1284610), (20, 642305), (25, 513844), (50, 256922), (100, 128461)]