127212880

素因数分解:

$2^4\times 5^1\times {\mathrm{1590161}}^1$

素因数の和:1590174

約数の個数: 20

約数和(自身を含む): 295770132

約数和(自身を除く): 168557252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1590161, 3180322, 6360644, 7950805, 12721288, 15901610, 25442576, 31803220, 63606440, 127212880]

約数ペア:

[(1, 127212880), (2, 63606440), (4, 31803220), (5, 25442576), (8, 15901610), (10, 12721288), (16, 7950805), (20, 6360644), (40, 3180322), (80, 1590161)]