1616000

素因数分解:

$2^7\times 5^3\times {\mathrm{101}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 4057560

約数和(自身を除く): 2441560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 101, 125, 128, 160, 200, 202, 250, 320, 400, 404, 500, 505, 640, 800, 808, 1000, 1010, 1600, 1616, 2000, 2020, 2525, 3200, 3232, 4000, 4040, 5050, 6464, 8000, 8080, 10100, 12625, 12928, 16000, 16160, 20200, 25250, 32320, 40400, 50500, 64640, 80800, 101000, 161600, 202000, 323200, 404000, 808000, 1616000]

約数ペア:

[(1, 1616000), (2, 808000), (4, 404000), (5, 323200), (8, 202000), (10, 161600), (16, 101000), (20, 80800), (25, 64640), (32, 50500), (40, 40400), (50, 32320), (64, 25250), (80, 20200), (100, 16160), (101, 16000), (125, 12928), (128, 12625), (160, 10100), (200, 8080), (202, 8000), (250, 6464), (320, 5050), (400, 4040), (404, 4000), (500, 3232), (505, 3200), (640, 2525), (800, 2020), (808, 2000), (1000, 1616), (1010, 1600)]