8049203080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{42391}}^1$

素因数の和:42550

約数の個数: 64

約数和(自身を含む): 18679610880

約数和(自身を除く): 10630407800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 101, 188, 202, 235, 376, 404, 470, 505, 808, 940, 1010, 1880, 2020, 4040, 4747, 9494, 18988, 23735, 37976, 42391, 47470, 84782, 94940, 169564, 189880, 211955, 339128, 423910, 847820, 1695640, 1992377, 3984754, 4281491, 7969508, 8562982, 9961885, 15939016, 17125964, 19923770, 21407455, 34251928, 39847540, 42814910, 79695080, 85629820, 171259640, 201230077, 402460154, 804920308, 1006150385, 1609840616, 2012300770, 4024601540, 8049203080]

約数ペア:

[(1, 8049203080), (2, 4024601540), (4, 2012300770), (5, 1609840616), (8, 1006150385), (10, 804920308), (20, 402460154), (40, 201230077), (47, 171259640), (94, 85629820), (101, 79695080), (188, 42814910), (202, 39847540), (235, 34251928), (376, 21407455), (404, 19923770), (470, 17125964), (505, 15939016), (808, 9961885), (940, 8562982), (1010, 7969508), (1880, 4281491), (2020, 3984754), (4040, 1992377), (4747, 1695640), (9494, 847820), (18988, 423910), (23735, 339128), (37976, 211955), (42391, 189880), (47470, 169564), (84782, 94940)]