80801320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22697}}^1$

素因数の和:22797

約数の個数: 32

約数和(自身を含む): 183853800

約数和(自身を除く): 103052480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 22697, 45394, 90788, 113485, 181576, 226970, 453940, 907880, 2020033, 4040066, 8080132, 10100165, 16160264, 20200330, 40400660, 80801320]

約数ペア:

[(1, 80801320), (2, 40400660), (4, 20200330), (5, 16160264), (8, 10100165), (10, 8080132), (20, 4040066), (40, 2020033), (89, 907880), (178, 453940), (356, 226970), (445, 181576), (712, 113485), (890, 90788), (1780, 45394), (3560, 22697)]