39794000

素因数分解:

$2^4\times 5^3\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 80

約数和(自身を含む): 97667856

約数和(自身を除く): 57873856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 125, 197, 200, 202, 250, 394, 400, 404, 500, 505, 788, 808, 985, 1000, 1010, 1576, 1616, 1970, 2000, 2020, 2525, 3152, 3940, 4040, 4925, 5050, 7880, 8080, 9850, 10100, 12625, 15760, 19700, 19897, 20200, 24625, 25250, 39400, 39794, 40400, 49250, 50500, 78800, 79588, 98500, 99485, 101000, 159176, 197000, 198970, 202000, 318352, 394000, 397940, 497425, 795880, 994850, 1591760, 1989700, 2487125, 3979400, 4974250, 7958800, 9948500, 19897000, 39794000]

約数ペア:

[(1, 39794000), (2, 19897000), (4, 9948500), (5, 7958800), (8, 4974250), (10, 3979400), (16, 2487125), (20, 1989700), (25, 1591760), (40, 994850), (50, 795880), (80, 497425), (100, 397940), (101, 394000), (125, 318352), (197, 202000), (200, 198970), (202, 197000), (250, 159176), (394, 101000), (400, 99485), (404, 98500), (500, 79588), (505, 78800), (788, 50500), (808, 49250), (985, 40400), (1000, 39794), (1010, 39400), (1576, 25250), (1616, 24625), (1970, 20200), (2000, 19897), (2020, 19700), (2525, 15760), (3152, 12625), (3940, 10100), (4040, 9850), (4925, 8080), (5050, 7880)]