127806080

素因数分解:

$2^7\times 5^1\times {\mathrm{199697}}^1$

素因数の和:199716

約数の個数: 32

約数和(自身を含む): 305537940

約数和(自身を除く): 177731860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 199697, 399394, 798788, 998485, 1597576, 1996970, 3195152, 3993940, 6390304, 7987880, 12780608, 15975760, 25561216, 31951520, 63903040, 127806080]

約数ペア:

[(1, 127806080), (2, 63903040), (4, 31951520), (5, 25561216), (8, 15975760), (10, 12780608), (16, 7987880), (20, 6390304), (32, 3993940), (40, 3195152), (64, 1996970), (80, 1597576), (128, 998485), (160, 798788), (320, 399394), (640, 199697)]