80157880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{182177}}^1$

素因数の和:182199

約数の個数: 32

約数和(自身を含む): 196752240

約数和(自身を除く): 116594360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 182177, 364354, 728708, 910885, 1457416, 1821770, 2003947, 3643540, 4007894, 7287080, 8015788, 10019735, 16031576, 20039470, 40078940, 80157880]

約数ペア:

[(1, 80157880), (2, 40078940), (4, 20039470), (5, 16031576), (8, 10019735), (10, 8015788), (11, 7287080), (20, 4007894), (22, 3643540), (40, 2003947), (44, 1821770), (55, 1457416), (88, 910885), (110, 728708), (220, 364354), (440, 182177)]