16160000

素因数分解:

$2^8\times 5^4\times {\mathrm{101}}^1$

素因数の和:137

約数の個数: 90

約数和(自身を含む): 40707282

約数和(自身を除く): 24547282

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, 256, 320, 400, 404, 500, 505, 625, 640, 800, 808, 1000, 1010, 1250, 1280, 1600, 1616, 2000, 2020, 2500, 2525, 3200, 3232, 4000, 4040, 5000, 5050, 6400, 6464, 8000, 8080, 10000, 10100, 12625, 12928, 16000, 16160, 20000, 20200, 25250, 25856, 32000, 32320, 40000, 40400, 50500, 63125, 64640, 80000, 80800, 101000, 126250, 129280, 160000, 161600, 202000, 252500, 323200, 404000, 505000, 646400, 808000, 1010000, 1616000, 2020000, 3232000, 4040000, 8080000, 16160000]

約数ペア:

[(1, 16160000), (2, 8080000), (4, 4040000), (5, 3232000), (8, 2020000), (10, 1616000), (16, 1010000), (20, 808000), (25, 646400), (32, 505000), (40, 404000), (50, 323200), (64, 252500), (80, 202000), (100, 161600), (101, 160000), (125, 129280), (128, 126250), (160, 101000), (200, 80800), (202, 80000), (250, 64640), (256, 63125), (320, 50500), (400, 40400), (404, 40000), (500, 32320), (505, 32000), (625, 25856), (640, 25250), (800, 20200), (808, 20000), (1000, 16160), (1010, 16000), (1250, 12928), (1280, 12625), (1600, 10100), (1616, 10000), (2000, 8080), (2020, 8000), (2500, 6464), (2525, 6400), (3200, 5050), (3232, 5000), (4000, 4040)]