4405760

素因数分解:

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

素因数の和:1744

約数の個数: 40

約数和(自身を含む): 10569636

約数和(自身を除く): 6163876

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1721, 2560, 3442, 6884, 8605, 13768, 17210, 27536, 34420, 55072, 68840, 110144, 137680, 220288, 275360, 440576, 550720, 881152, 1101440, 2202880, 4405760]

約数ペア:

[(1, 4405760), (2, 2202880), (4, 1101440), (5, 881152), (8, 550720), (10, 440576), (16, 275360), (20, 220288), (32, 137680), (40, 110144), (64, 68840), (80, 55072), (128, 34420), (160, 27536), (256, 17210), (320, 13768), (512, 8605), (640, 6884), (1280, 3442), (1721, 2560)]