28545520

素因数分解:

$2^4\times 5^1\times {\mathrm{356819}}^1$

素因数の和:356832

約数の個数: 20

約数和(自身を含む): 66368520

約数和(自身を除く): 37823000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 356819, 713638, 1427276, 1784095, 2854552, 3568190, 5709104, 7136380, 14272760, 28545520]

約数ペア:

[(1, 28545520), (2, 14272760), (4, 7136380), (5, 5709104), (8, 3568190), (10, 2854552), (16, 1784095), (20, 1427276), (40, 713638), (80, 356819)]