254994760

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{7187}}^1$

素因数の和:8085

約数の個数: 32

約数和(自身を含む): 574464960

約数和(自身を除く): 319470200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 3548, 4435, 7096, 7187, 8870, 14374, 17740, 28748, 35480, 35935, 57496, 71870, 143740, 287480, 6374869, 12749738, 25499476, 31874345, 50998952, 63748690, 127497380, 254994760]

約数ペア:

[(1, 254994760), (2, 127497380), (4, 63748690), (5, 50998952), (8, 31874345), (10, 25499476), (20, 12749738), (40, 6374869), (887, 287480), (1774, 143740), (3548, 71870), (4435, 57496), (7096, 35935), (7187, 35480), (8870, 28748), (14374, 17740)]