25987555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5309}}^1$

素因数の和:5414

約数の個数: 16

約数和(自身を含む): 34408800

約数和(自身を除く): 8421245

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 5309, 26545, 58399, 291995, 472501, 2362505, 5197511, 25987555]

約数ペア:

[(1, 25987555), (5, 5197511), (11, 2362505), (55, 472501), (89, 291995), (445, 58399), (979, 26545), (4895, 5309)]