6707844400

素因数分解:

$2^4\times 5^2\times {\mathrm{1999}}^1\times {\mathrm{8389}}^1$

素因数の和:10406

約数の個数: 60

約数和(自身を含む): 16125580000

約数和(自身を除く): 9417735600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1999, 3998, 7996, 8389, 9995, 15992, 16778, 19990, 31984, 33556, 39980, 41945, 49975, 67112, 79960, 83890, 99950, 134224, 159920, 167780, 199900, 209725, 335560, 399800, 419450, 671120, 799600, 838900, 1677800, 3355600, 16769611, 33539222, 67078444, 83848055, 134156888, 167696110, 268313776, 335392220, 419240275, 670784440, 838480550, 1341568880, 1676961100, 3353922200, 6707844400]

約数ペア:

[(1, 6707844400), (2, 3353922200), (4, 1676961100), (5, 1341568880), (8, 838480550), (10, 670784440), (16, 419240275), (20, 335392220), (25, 268313776), (40, 167696110), (50, 134156888), (80, 83848055), (100, 67078444), (200, 33539222), (400, 16769611), (1999, 3355600), (3998, 1677800), (7996, 838900), (8389, 799600), (9995, 671120), (15992, 419450), (16778, 399800), (19990, 335560), (31984, 209725), (33556, 199900), (39980, 167780), (41945, 159920), (49975, 134224), (67112, 99950), (79960, 83890)]