180800

素因数分解:

$2^6\times 5^2\times {\mathrm{113}}^1$

素因数の和:135

約数の個数: 42

約数和(自身を含む): 448818

約数和(自身を除く): 268018

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 113, 160, 200, 226, 320, 400, 452, 565, 800, 904, 1130, 1600, 1808, 2260, 2825, 3616, 4520, 5650, 7232, 9040, 11300, 18080, 22600, 36160, 45200, 90400, 180800]

約数ペア:

[(1, 180800), (2, 90400), (4, 45200), (5, 36160), (8, 22600), (10, 18080), (16, 11300), (20, 9040), (25, 7232), (32, 5650), (40, 4520), (50, 3616), (64, 2825), (80, 2260), (100, 1808), (113, 1600), (160, 1130), (200, 904), (226, 800), (320, 565), (400, 452)]