80744528

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{265607}}^1$

素因数の和:265634

約数の個数: 20

約数和(自身を含む): 164676960

約数和(自身を除く): 83932432

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 265607, 531214, 1062428, 2124856, 4249712, 5046533, 10093066, 20186132, 40372264, 80744528]

約数ペア:

[(1, 80744528), (2, 40372264), (4, 20186132), (8, 10093066), (16, 5046533), (19, 4249712), (38, 2124856), (76, 1062428), (152, 531214), (304, 265607)]