22028800

素因数分解:

$2^9\times 5^2\times {\mathrm{1721}}^1$

素因数の和:1749

約数の個数: 60

約数和(自身を含む): 54609786

約数和(自身を除く): 32580986

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 1721, 2560, 3200, 3442, 6400, 6884, 8605, 12800, 13768, 17210, 27536, 34420, 43025, 55072, 68840, 86050, 110144, 137680, 172100, 220288, 275360, 344200, 440576, 550720, 688400, 881152, 1101440, 1376800, 2202880, 2753600, 4405760, 5507200, 11014400, 22028800]

約数ペア:

[(1, 22028800), (2, 11014400), (4, 5507200), (5, 4405760), (8, 2753600), (10, 2202880), (16, 1376800), (20, 1101440), (25, 881152), (32, 688400), (40, 550720), (50, 440576), (64, 344200), (80, 275360), (100, 220288), (128, 172100), (160, 137680), (200, 110144), (256, 86050), (320, 68840), (400, 55072), (512, 43025), (640, 34420), (800, 27536), (1280, 17210), (1600, 13768), (1721, 12800), (2560, 8605), (3200, 6884), (3442, 6400)]